Basic Clinical Laboratory Techniques 6th Edition by Barbara H. – Test Bank

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INSTANT DOWNLOAD COMPLETE TEST BANK WITH ANSWERS
Basic Clinical Laboratory Techniques 6th Edition by Barbara H. – Test Bank
SAMPLE QUESTIONS

 

Lesson 1-2: The Clinical Laboratory Professional

 

TRUE/FALSE

 

  1. Laboratory testing has become increasingly sophisticated.

 

ANS:  T                    PTS:   1

 

  1. The term clinical laboratory science largely replaced medical technology for several years.

 

ANS:  T                    PTS:   1

 

  1. The field of medical technology began 50 years ago.

 

ANS:  F                    PTS:   1

 

  1. Early laboratories were staffed mostly by doctors.

 

ANS:  T                    PTS:   1

 

  1. Clinical laboratory personnel work as “medical detectives.”

 

ANS:  T                    PTS:   1

 

  1. As long as health care workers are competent, their manner of dress at work does not matter.

 

ANS:  F                    PTS:   1

 

MULTIPLE CHOICE

 

  1. The professional society and credentialing agency for medical assistants is the:
a. American Medical Technologists (AMT)
b. American Society for Clinical Laboratory Science (ASCLS)
c. American Association of Medical Assistants (AAMA)
d. American Society for Clinical Pathology (ASCP)

 

 

ANS:  C                    PTS:   1

 

  1. One agency that accredits educational programs for clinical laboratory personnel is the:
a. North Central Association (NCA)
b. American Society for Clinical Laboratory Science (ASCLS)
c. National Accrediting Agency for Clinical Laboratory Sciences (NAACLS)
d. American Society for Clinical Pathology (ASCP)

 

 

ANS:  C                    PTS:   1

 

  1. One professional society and credentialing agency for phlebotomists is the:
a. American Society of Phlebotomy Technicians (ASPT)
b. American Society for Clinical Laboratory Science (ASCLS)
c. American Society for Clinical Pathology (ASCP)
d. North Central Association

 

 

ANS:  A                    PTS:   1

 

  1. All of the following are current trends in health care EXCEPT:
a. emphasis on wellness c. geriatric medicine
b. longer hospital stays d. home health care

 

 

ANS:  B                    PTS:   1

 

  1. Medical assistants have been trained in:
a. administrative skills c. laboratory skills
b. nursing skills d. all of the above

 

 

ANS:  D                    PTS:   1

 

COMPLETION

 

  1. The Privacy Rule that describes the patient’s rights to privacy developed from ____________________.

 

ANS:

HIPAA

Health Insurance Portability and Accountability Act

 

PTS:   1

 

  1. The health profession concerned with performing laboratory analyses is ____________________.

 

ANS:

clinical laboratory science

medical technology

 

PTS:   1

 

  1. A 1996 act of Congress that includes a guarantee of protection of privacy of an individual’s health information is ____________________.

 

ANS:

HIPAA

Health Insurance Portability and Accountability Act

 

PTS:   1

 

  1. The ASPT is a professional and credentialing agency for ____________________.

 

ANS:  phlebotomists

 

PTS:   1

 

  1. The AAMA is a professional society and credentialing agency for ____________________.

 

ANS:  medical assistants

 

PTS:   1

 

  1. Risk of patient information being improperly accessed has increased due to the use of ____________________ for storing patient records.

 

ANS:

computers

electronic medical records

EMRs

 

PTS:   1

 

  1. Educational programs for laboratory personnel consist of an academic component and a ____________________ component.

 

ANS:

clinical

practical

 

PTS:   1

 

  1. Personnel qualifications for clinical laboratory workers are defined by ____________________ and are based on the job functions of the position.

 

ANS:

CLIA ’88

Clinical Laboratory Improvement Amendments of 1988

 

PTS:   1

 

  1. To become a certified laboratory professional, one must complete an approved course of study and successfully complete a national ____________________.

 

ANS:

examination

exam

test

 

PTS:   1

 

MATCHING

 

Choose the best match for each item. Use an example only once.

a. medical technology
b. new trends in the health care fields
c. micro- and nano-technology
d. laboratory instruments
e. AAMA
f. clinical laboratory science
g. CAAHEP, accrediting agency for educational programs for clinical laboratory personnel
h. ethics
i. clinical laboratory personnel
j. MLT or CLT

 

 

  1. commission on Accreditation of Allied Health Education Programs

 

  1. accrediting agency and professional society for medical assistants

 

  1. 2 years of specific training and successful completion of the national certifying exam

 

  1. the profession concerned with performing laboratory analyses

 

  1. medical detectives

 

  1. system of conduct or behavior

 

  1. the field of medical laboratory technology

 

  1. micro- and nano-technology components

 

  1. geriatric medicine and home health care

 

  1. technology that allows rapid testing and portable testing

 

  1. ANS:  G                    PTS:   1

 

  1. ANS:  E                    PTS:   1

 

  1. ANS:  J                     PTS:   1

 

  1. ANS:  A                    PTS:   1

 

  1. ANS:  I                     PTS:   1

 

  1. ANS:  H                    PTS:   1

 

  1. ANS:  F                    PTS:   1

 

  1. ANS:  D                    PTS:   1

 

  1. ANS:  B                    PTS:   1

 

  1. ANS:  C                    PTS:   1Lesson 2-2: Hemoglobin

     

    MULTIPLE CHOICE

     

    1. The hemoglobin molecule:
    a. is made up of eight globin chains c. contains four heme groups
    b. contains protein and heme d. all of the above

     

     

    ANS:  B                    PTS:   1

     

    1. Which is true concerning hemoglobin(s)?
    a. They cannot be measured on small handheld analyzers.
    b. They are named according to the type of globin chain.
    c. Thalassemias are caused by abnormalities in the heme portion.
    d. Hb A1c is the major hemoglobin in infants.

     

     

    ANS:  B                    PTS:   1

     

    1. Which is true of hemoglobin analysis?
    a. It is an indirect measure of oxygen-carrying capacity.
    b. It measures the red cell volume.
    c. It is always determined from an anticoagulated venous blood sample.
    d. No stable standard is available.

     

     

    ANS:  A                    PTS:   1

     

    1. All of the following are true of hemoglobin EXCEPT:
    a. Hemoglobin is usually included in the CBC.
    b. The reference value for females is higher than for males.
    c. Hemoglobin transports CO2 from the tissue to the lungs.
    d. The reference value for newborns is higher than for adult males.

     

     

    ANS:  B                    PTS:   1

     

    1. Which of the following is true for hemoglobin analysis?
    a. The specific gravity method estimates Hgb level.
    b. The reference range for adult females is 12–17 g/dL.
    c. The Hgb level is unaffected by RBC count.
    d. It does not require use of Standard Precautions.

     

     

    ANS:  A                    PTS:   1

     

    COMPLETION

     

    1. The protein portion of the hemoglobin molecule is the ____________________.

     

    ANS:

    globin

    globin chains

     

    PTS:   1

     

    1. Hemoglobin is the main constituent of ____________________.

     

    ANS:

    red blood cells

    erythrocytes

    RBCs

     

    PTS:   1

     

    1. The molecule that gives the characteristic red color to blood is ____________________.

     

    ANS:

    hemoglobin

    Hb

    Hgb

     

    PTS:   1

     

    1. The iron-containing portion of the hemoglobin molecule is ____________________.

     

    ANS:  heme

     

    PTS:   1

     

    1. A blood-diluting reagent that contains iron, potassium, cyanide, and sodium bicarbonate is called ____________________.

     

    ANS:

    Drabkin’s reagent

    Drabkin’s

     

    PTS:   1

     

    1. Blood hemoglobin analysis using Drabkin’s reagent measures the end product ____________________.

     

    ANS:

    cyanmethemoglobin

    hemiglobincyanide

     

    PTS:   1

     

    1. The major functional component of RBCs that serves as the oxygen-carrying molecule is ____________________.

     

    ANS:

    hemoglobin

    Hb

    Hgb

     

    PTS:   1

     

    1. Cyanmethemoglobin is the stable colored compound formed when hemoglobin is reacted with ____________________.

     

    ANS:

    Drabkin’s reagent

    Drabkin’s

     

    PTS:   1

     

    1. The factor for converting hemoglobin from g/dL to SI units is ____________________.

     

    ANS:

    ten

    10

     

    PTS:   1

     

    1. The form of hemoglobin that is called “adult” hemoglobin is Hb ____________________.

     

    ANS:

    A1c

    A

    A1c

    A1

    A1

     

    PTS:   1

     

    1. Hemoglobin transports ____________________ from the tissues to the lungs.

     

    ANS:

    carbon dioxide

    CO2

    CO2

     

    PTS:   1

     

    1. The mineral required for hemoglobin synthesis is ____________________.

     

    ANS:

    iron

    Fe

     

    PTS:   1

     

    MATCHING

     

    Choose the best match for each item. Use an answer only once.

    a. decreased oxygen f. variant forms of hemoglobin
    b. thalassemias g. blood hemoglobin level
    c. homozygous h. carrier
    d. CLIA waived i. Hgb E
    e. Hgb F j. Hb A1c

     

     

    1. makes up 95%–98% of adult hemoglobin

     

    1. produced during gestation

     

    1. mutations in genes that code for globin proteins

     

    1. estimation of oxygen-carrying capacity

     

    1. sickle shape

     

    1. anemia and microcytosis in some people from Southeast Asia

     

    1. inherited hemoglobin disorders with decreased production of normal Hgbs

     

    1. heterozygous for a hemoglobin gene

     

    1. always pass an affected gene to offspring

     

    1. many hemoglobin meters or analyzers

     

    1. Lesson 3-2: Disorders of Hemostasis

       

      TRUE/FALSE

       

      1. Even when the platelet count is in the normal reference range, a bleeding problem can still exist.

       

      ANS:  T                    PTS:   1

       

      1. Tests that are often performed to test hemostatic function include PT, APTT, bleeding time, and platelet count.

       

      ANS:  T                    PTS:   1

       

      1. The defect in von Willebrand’s disease is an acquired disorder of platelets.

       

      ANS:  F                    PTS:   1

       

      1. The vitamin-K-dependent coagulation factors are II, VII, IX, and X.

       

      ANS:  T                    PTS:   1

       

      1. Idiopathic thrombocytopenic purpura (ITP) is an inherited platelet disorder.

       

      ANS:  F                    PTS:   1

       

      MULTIPLE CHOICE

       

      1. Which of the following is true of acquired and inherited disorders of hemostasis?
      a. They can cause either abnormal bleeding or abnormal thrombus formation.
      b. Drugs or treatments can accelerate clot formation.
      c. They require laboratory testing.
      d. all of the above

       

       

      ANS:  D                    PTS:   1

       

      1. All of the following statements are true of the hemophilias EXCEPT:
      a. They are inherited as sex-linked genes on the X chromosome.
      b. Females with the recessive hemophilia gene on one chromosome are carriers.
      c. Since males inherit one X and one Y, if the Y chromosome carries the recessive hemophilia gene, the disease is expressed.
      d. Hemophilia B is also called Christmas disease.

       

       

      ANS:  C                    PTS:   1

       

      1. Which of the following is true of hemophilia A?
      a. It is caused by functional deficiency of coagulation factor VIII, the VIII:C protein.
      b. It is a functional deficiency of coagulation factor IX.
      c. The symptoms usually appear in early infancy.
      d. It is a functional deficiency in factors VIII and IX.

       

       

      ANS:  A                    PTS:   1

       

      1. All of the following are acquired coagulation factor disorders EXCEPT:
      a. von Willebrand’s disease c. DIC
      b. anticoagulant therapy d. vitamin K deficiency

       

       

      ANS:  A                    PTS:   1

       

      1. When the bleeding time is prolonged, which more definitive tests must be performed?
      a. platelet adhesion d. only (a) and (b)
      b. platelet aggregation e. all of the above (a–c)
      c. prothrombin time  

       

       

      ANS:  D                    PTS:   1

       

      1. Which of the following is true of hemophilia B?
      a. It is caused by a functional deficiency of factor VIII.
      b. It is due to a vitamin K deficiency.
      c. It is caused by a functional deficiency of factor IX.
      d. Symptoms are not present until adulthood.

       

       

      ANS:  C                    PTS:   1

       

      1. Which of the following is true of inherited platelet disorders?
      a. In Bernard-Soulier syndrome, the platelets are smaller than normal.
      b. Von Willebrand’s disease affects the adhesion of platelets.
      c. Von Willebrand’s patients are affected by petechiae.
      d. In Glanzmann’s thrombasthenia, the platelets aggregate normally.

       

       

      ANS:  B                    PTS:   1

       

      1. All of the following are true regarding quality assessment in the performance of hemostasis tests EXCEPT:
      a. Venipuncture must be performed with minimal trauma.
      b. Correct anticoagulant must be used.
      c. Tissue fluid released during a “difficult” venipuncture usually has no effect on the hemostasis test results.
      d. Proper anticoagulant-to-blood ratio is critical to test results.

       

       

      ANS:  C                    PTS:   1

       

      1. The bleeding time is:
      a. a test for quantitative and qualitative abnormalities of platelets
      b. a screening test for factor deficiencies
      c. prolonged in hemophilia A
      d. prolonged in anticoagulant therapy

       

       

      ANS:  A                    PTS:   1

       

      1. Which of the following is true of hemostasis testing?
      a. The bleeding time can be used to screen for factor deficiencies.
      b. The bleeding time is a screening test for vascular integrity.
      c. The prothrombin time test is rarely performed.
      d. If the platelet count is normal, the bleeding time will be normal.

       

       

      ANS:  B                    PTS:   1

       

      MATCHING

       

      Choose the best match for each item. Use an answer only once.

      a. acquired platelet disorder f. males
      b. inherited platelet disorder g. females
      c. factor VIII deficiency h. factor IX deficiency
      d. acquired factor disorder i. DIC
      e. petechiae  

       

       

      1. hemophilia A

       

      1. severe vitamin K deficiency

       

      1. hemophilia B

       

      1. ITP

       

      1. one X chromosome

       

      1. Bernard-Soulier syndrome

       

      1. two X chromosomes

       

      1. widespread thrombotic and secondary fibrinolytic reaction

       

      1. small, purplish hemorrhagic spots on the skin

      Lesson 4-2: Infectious Mononucleosis Tests

       

      TRUE/FALSE

       

      1. Infectious mononucleosis is characterized by an increase in monocytes.

       

      ANS:  F                    PTS:   1

       

      1. Infectious mononucleosis symptoms can mimic several other infections.

       

      ANS:  T                    PTS:   1

       

      1. The immunological test for infectious mononucleosis is positive within 3 days after infection and remains positive for 2 weeks.

       

      ANS:  F                    PTS:   1

       

      1. Infectious mononucleosis is caused by infection with Epstein-Barr virus.

       

      ANS:  T                    PTS:   1

       

      1. The rapid test for infectious mononucleosis is designed to detect antibodies to the Epstein-Barr virus.

       

      ANS:  F                    PTS:   1

       

      1. Lymphadenopathy is a malignant condition of lymph nodes.

       

      ANS:  F                    PTS:   1

       

      1. During the acute phase of infectious mononucleosis, hepatosplenomegaly can be present.

       

      ANS:  T                    PTS:   1

       

      1. Symptoms of infectious mononucleosis are similar to those of chronic fatigue syndrome.

       

      ANS:  T                    PTS:   1

       

      1. None of the rapid tests for infectious mononucleosis are CLIA waived.

       

      ANS:  F                    PTS:   1

       

      1. When performing infectious mononucleosis rapid tests that use cartridges or self-contained reaction units, it is not necessary to wear gloves.

       

      ANS:  F                    PTS:   1

       

      MULTIPLE CHOICE

       

      1. All of the following are considered when making a diagnosis of infectious mononucleosis EXCEPT:
      a. changes in circulating RBCs c. changes in circulating WBCs
      b. immunological findings d. clinical symptoms

       

       

      ANS:  A                    PTS:   1

       

      1. In cases of infectious mononucleosis, you would expect:
      a. increased numbers of neutrophils c. increased percentage of lymphocytes
      b. increased percentage of monocytes d. none of the above

       

       

      ANS:  C                    PTS:   1

       

      1. Which is NOT correct concerning heterophile antibodies?
      a. They are present in infectious mononucleosis.
      b. Their detection is the basis of most tests for IM.
      c. They are IgM.
      d. They are species and antigen specific.

       

       

      ANS:  D                    PTS:   1

       

      1. Which of the following are clinical symptoms that can be present in infectious mononucleosis?
      a. fever and headache d. fatigue
      b. sore throat e. all of the above
      c. enlarged spleen  

       

       

      ANS:  E                    PTS:   1

       

      1. Rapid test kits for IM can be designed to have which of the following endpoints?
      a. agglutination or color formation c. hemolysis or clot formation
      b. color formation or hemolysis d. color formation or clot formation

       

       

      ANS:  A                    PTS:   1

       

      1. Which of the following is NOT a characteristic of Epstein-Barr viral infections?
      a. It occurs only in the 15-to-25-year-old age group.
      b. It has no known effect on pregnancy.
      c. 95% of the U.S. population has been infected by the age of 40.
      d. Latent infections can reactivate.

       

       

      ANS:  A                    PTS:   1

       

      COMPLETION

       

      1. The cell type infected by the Epstein-Barr virus in infectious mononucleosis is the ____________________.

       

      ANS:

      B cell

      B lymphocyte

      B cells

      B lymphocytes

       

      PTS:   1

       

      1. The rapid test for infectious mononucleosis is designed to detect the presence of ____________________.

       

      ANS:  heterophile antibodies

       

      PTS:   1

       

      1. Heterophile antibodies are of the ____________________ class.

       

      ANS:

      IgM

      immunoglobulin M

       

      PTS:   1

       

      1. The blood cell that is seen in infectious mononucleosis is called a(n) ____________________.

       

      ANS:

      atypical lymph

      atypical lymphocyte

      reactive lymph

      reactive lymphocyte

       

      PTS:   1

       

      1. The time between exposure to an infectious agent and the appearance of symptoms is the ____________________.

       

      ANS:

      incubation period

      incubation time

       

      PTS:   1

       

      MATCHING

       

      Choose the best match for each item. Use an answer only once.

      a. color reaction f. sore throat
      b. agglutination g. atypical lymphocyte
      c. IgM h. external control
      d. reactive monocyte i. atypical hepatocyte
      e. IgG j. internal control

       

       

      1. hematological finding in IM

       

      1. heterophile antibodies

       

      1. immunochromatographic assay

       

      1. clinical finding in IM

       

      1. commercial assayed serum

      Lesson 5-2: Urine Specimen Collection and Processing

       

      TRUE/FALSE

       

      1. Nocturia is the absence of urine production.

       

      ANS:  F                    PTS:   1

       

      1. Polyuria is the excessive production of urine.

       

      ANS:  T                    PTS:   1

       

      1. A common type of urine specimen submitted for laboratory analysis is the random urine.

       

      ANS:  T                    PTS:   1

       

      1. For clean-catch specimens the urine container must be sterile.

       

      ANS:  T                    PTS:   1

       

      1. Quantitative urine tests require a 24-hour urine specimen.

       

      ANS:  T                    PTS:   1

       

      1. A urine specimen must be labeled on the lid, not on the container.

       

      ANS:  F                    PTS:   1

       

      1. A random urine specimen is required when the specimen is to be cultured for microorganisms.

       

      ANS:  F                    PTS:   1

       

      1. An ammonialike odor in urine is usually caused by bacteria.

       

      ANS:  T                    PTS:   1

       

      1. It is routine urinalysis policy to store urine specimens in the dark at 4°C–6°C for 24 hours to avoid deterioration of the specimen.

       

      ANS:  F                    PTS:   1

       

      1. Since urine specimens present no biological hazards, Standard Precautions are not required in handling and testing.

       

      ANS:  F                    PTS:   1

       

      1. When disposing of urine, protective facewear should be worn to protect the face from splashes.

       

      ANS:  T                    PTS:   1

       

      MULTIPLE CHOICE

       

      1. When urine is to be cultured for bacteria, the specimen required is:
      a. random d. preserved
      b. clean-catch e. 24-hour
      c. first morning  

       

       

      ANS:  B                    PTS:   1

       

      1. Failure of kidney function and suppression of urine production is:
      a. polyuria d. nocturia
      b. oliguria e. diuresis
      c. anuria  

       

       

      ANS:  C                    PTS:   1

       

      1. The reference range for a 24-hour urine volume for a newborn is:
      a. 20–350 mL c. 750–2,000 mL
      b. 300–600 mL d. none of the above

       

       

      ANS:  A                    PTS:   1

       

      1. Which of the following is true of a 24-hour urine specimen?
      a. It is used primarily for qualitative testing.
      b. It is used to assess kidney function.
      c. It is used for culturing bacteria.
      d. It must not contain a preservative.

       

       

      ANS:  B                    PTS:   1

       

      1. Which of the following is true of a urine quality assessment program?
      a. The lid of the container should be labeled with the patient ID.
      b. Specimens must be tested within an hour of collection or be refrigerated.
      c. Specimens can be left on the counter for 2–4 hours before testing.
      d. Most patients know how to properly collect a specimen and need no instruction.

       

       

      ANS:  B                    PTS:   1

       

      1. Which of the following is true of a clean-catch urine collection?
      a. The patient uses one towelette for cleansing.
      b. The first portion of the urine stream is collected.
      c. It cannot be used for bacterial culture.
      d. The urine container must be labeled with the patient’s name and the date and time of collection.

       

       

      ANS:  D                    PTS:   1

       

      1. If a urine specimen is to be cultured for bacteria:
      a. the specimen must be the first morning specimen
      b. the culture must be set up before the routine urinalysis is done
      c. the container need not be sterile
      d. the urine can be left on the lab bench 2–4 hours before culture
      e. none of the above

       

       

      ANS:  B                    PTS:   1

       

      1. Which of the following is true of urines collected for drug screening?
      a. A credit card can be used for identification.
      b. The urine is collected in the usual urine container.
      c. The patient must sign a consent form.
      d. The specimen is placed with other reference laboratory samples for pickup.

       

       

      ANS:  C                    PTS:   1

       

      1. Which of the following is usually NOT measured in a 24-hour urine?
      a. protein c. creatinine
      b. bacteria d. calcium

       

       

      ANS:  B                    PTS:   1

       

      1. If a urine cannot be tested within 1 hour of the collection time, it should be:
      a. refrigerated overnight c. refrigerated at 4°F–6°F for up to 4 hours
      b. frozen to preserve it d. discarded

       

       

      ANS:  C                    PTS:   1

       

      1. Which of the following specimens should NOT be a midstream specimen?
      a. random c. clean-catch
      b. 24-hour d. timed

       

       

      ANS:  B                    PTS:   1

       

      COMPLETION

       

      1. A midstream urine sample collected after the urethral opening and surrounding tissues have been cleansed is called a(n) ____________________.

       

      ANS:

      clean-catch urine

      clean-catch

      clean catch

      clean catch urine

       

      PTS:   1

       

      1. A urine sample collected at any time, without regard to diet or time of day is called a(n) ____________________.

       

      ANS:

      random urine specimen

      random urine

      random specimen

       

      PTS:   1

       

      1. Quantitative urine tests require a(n) ____________________-hr urine specimen.

       

      ANS:

      24

      twenty-four

       

      PTS:   1

       

      1. When urine specimens cannot be refrigerated or must be transported, deterioration can be avoided by the addition of ____________________.

       

      ANS:

      preservative

      fixative

       

      PTS:   1

       

      1. The absence of urine production is called ____________________.

       

      ANS:  anuria

       

      PTS:   1

       

      1. Excessive production of urine is called ____________________.

       

      ANS:  polyuria

       

      PTS:   1

       

      1. The urine specimen that is normally more concentrated and has an acid pH is the ____________________.

       

      ANS:

      first morning specimen

      first morning urine

       

      PTS:   1

       

      1. An unpleasant ammonia-like odor in urine is usually caused by urea being broken down by ____________________.

       

      ANS:  bacteria

       

      PTS:   1

       

      1. Urines collected to test for protein, barbiturates, or drugs of abuse can be preserved by ____________________.

       

      ANS:  refrigeration

       

      PTS:   1

       

      1. Sinks used for discarding urine specimens should be flushed with water and ____________________.

       

      ANS:

      appropriate laboratory disinfectant

      laboratory disinfectant

      disinfectant

      surface disinfectant

       

      PTS:   1

       

      MATCHING

       

      Choose the best match for each item. Use an answer only once.

      a. urine for drug screen f. oliguria
      b. quality assessment g. 24-hr urine specimen
      c. 20–350 mL h. 1,500 mL average
      d. biohazard i. MSDS
      e. surface disinfectant j. clean-catch urine

       

       

      1. required for quantitative tests

       

      1. splashes and aerosols

       

      1. urine preservative

       

      1. middle portion of the urine flow

       

      1. temperature recorded immediately after collection

       

      1. urine spills

       

      1. reference range for newborn daily urine volume

       

      1. reference range for adult daily urine volume

      Lesson 6-2: Chemistry Specimen Collection and Processing

       

      TRUE/FALSE

       

      1. Plasma is the liquid from blood that has been allowed to clot.

       

      ANS:  F                    PTS:   1

       

      1. Standard policy is to draw blood from a vein above an intravenous line.

       

      ANS:  F                    PTS:   1

       

      1. If plasma is to be used in a test, it should be removed from the cellular portion of blood as soon as possible after collection.

       

      ANS:  T                    PTS:   1

       

      1. For chemistry analysis, blood must be free of hemolysis.

       

      ANS:  T                    PTS:   1

       

      1. The red/gray stopper tube contains a polymer gel and a silica activator.

       

      ANS:  T                    PTS:   1

       

      1. In the CLSI order of draw, the red-top clot tubes are drawn first.

       

      ANS:  F                    PTS:   1

       

      1. Mistakes occurring when blood is drawn contibute to preanalytical error.

       

      ANS:  T                    PTS:   1

       

      MULTIPLE CHOICE

       

      1. Which is true of hemolysis of red blood cells?
      a. It can be caused by overcentrifugation.
      b. It releases potassium into the plasma or serum.
      c. It can be caused by excess shaking of the blood sample.
      d. all of the above

       

       

      ANS:  D                    PTS:   1

       

      1. How does the time of specimen collection affect certain tests?
      a. Concentrations of iron are constant throughout the day.
      b. Triglycerides do not change after eating.
      c. Glucose and cholesterol usually change after eating.
      d. Corticosteroids are not affected by the time of collection.

       

       

      ANS:  C                    PTS:   1

       

      1. Which is true of plasma and/or serum?
      a. Plasma is formed when a tube of blood is allowed to clot.
      b. Plasma contains all of the dissolved chemical constituents.
      c. Serum contains all of the dissolved chemical constituents plus the coagulation proteins.
      d. none of the above

       

       

      ANS:  B                    PTS:   1

       

      1. To avoid accidental needlesticks during specimen collection:
      a. collect the majority of specimens by capillary puncture
      b. carefully recap needles
      c. use self-sheathing or safety needles
      d. all of the above

       

       

      ANS:  C                    PTS:   1

       

      1. Which is true of blood collection to obtain serum?
      a. Blood can be collected into a red/yellow serum separator tube.
      b. A red-top collection tube can be used.
      c. A green-top tube should be used.
      d. A purple-top tube should be used.

       

       

      ANS:  B                    PTS:   1

       

      COMPLETION

       

      1. A chemical that prevents blood coagulation is called a(n) ____________________.

       

      ANS:  anticoagulant

       

      PTS:   1

       

      1. Something that has a daily cycle is said to be ____________________.

       

      ANS:  diurnal

       

      PTS:   1

       

      1. The liquid obtained from blood that has been allowed to clot is ____________________.

       

      ANS:  serum

       

      PTS:   1

       

      1. The liquid portion of blood in which blood cells are suspended is called ____________________.

       

      ANS:  plasma

       

      PTS:   1

       

      1. The viscous fluid secreted by membranes lining the joints is called ____________________.

       

      ANS:  synovial fluid

       

      PTS:   1

       

      1. A lipemic sample has a cloudy appearance due to the presence of excess ____________________.

       

      ANS:

      lipids

      fats

       

      PTS:   1

       

      1. Blood specimens should remain capped until they are ready to be tested to prevent concentration of some constituents due to ____________________.

       

      ANS:  evaporation

       

      PTS:   1

       

      1. When collecting blood into both serum (clot) tubes and anticoagulant tubes, the light-blue-top tube is drawn first, if ordered; otherwise, serum tubes must be filled ____________________.

       

      ANS:  first

       

      PTS:   1

       

      1. The fluid surrounding the spinal cord and bathing the ventricles of the brain is called ____________________.

       

      ANS:

      cerebrospinal fluid

      CSF

       

      PTS:   1

       

      1. Blood cannot be drawn from a site above a(n) ____________________.

       

      ANS:

      intravenous line

      i.v. line

      IV line

      i.v.

      IV

       

      PTS:   1

       

      MATCHING

       

      Match the stopper color with its use or anticoagulant. Answers can be used more than once.

      a. red/gray e. royal blue
      b. lavender f. green
      c. red g. light blue
      d. yellow h. gray

       

       

      1. glycolytic inhibitor

       

      1. trace metals

       

      1. EDTA

       

      1. coagulation testing

       

      1. serum separation

       

      1. no additive

       

      1. lithium heparin

       

      1. ACD solution

       

      1. sodium citrate

       

      1. polymer gel/silica activatorLesson 7-2: Bacteriology Specimen Collection and Processing

         

        TRUE/FALSE

         

        1. Aerobic bacteria grow only in the absence of oxygen.

         

        ANS:  F                    PTS:   1

         

        1. If antiseptic wipes are used by the patient when collecting urine for culture, the container does not have to be sterile.

         

        ANS:  F                    PTS:   1

         

        1. The phlebotomist is required to wear sterile gloves when collecting a blood culture.

         

        ANS:  T                    PTS:   1

         

        1. A stool specimen from an infant can be conveniently collected in a disposable diaper.

         

        ANS:  F                    PTS:   1

         

        1. Anaerobic organisms will grow on most types of media.

         

        ANS:  F                    PTS:   1

         

        1. A specimen from a wound is best collected using a swab.

         

        ANS:  F                    PTS:   1

         

        1. The stool specimen from an adult can be collected from the toilet water.

         

        ANS:  F                    PTS:   1

         

        1. A sputum specimen must be transported in a special transport medium.

         

        ANS:  F                    PTS:   1

         

        MULTIPLE CHOICE

         

        1. In the POL, which of the following would most likely be performed?
        a. parasitology procedures c. fungal cultures
        b. bacterial cultures d. virus cultures

         

         

        ANS:  B                    PTS:   1

         

        1. Which of the following is true concerning growth requirements of bacteria?
        a. Anaerobic bacteria grow in the absence of oxygen.
        b. Aerobic bacteria require CO2 to grow.
        c. Fastidious organisms can grow on almost any medium.
        d. Few organisms can grow on 5% sheep’s blood agar.

         

         

        ANS:  A                    PTS:   1

         

        1. Which of the following is true of blood culture collection?
        a. The site is cleansed as in routine venipuncture.
        b. The tops of the collection bottles are sterile.
        c. Blood culture can be contaminated by skin flora
        d. all of the above

         

         

        ANS:  C                    PTS:   1

         

        1. A nasal or nasopharyngeal culture can be ordered:
        a. to check for septicemia
        b. to rule out an infection by Bordatella pertussis
        c. is collected using a cotton swab
        d. to check for group A Streptococcus (strep A)

         

         

        ANS:  B                    PTS:   1

         

        COMPLETION

         

        1. Organisms that will grow only in the absence of oxygen are referred to as ____________________.

         

        ANS:

        anaerobic

        anaerobic organisms

         

        PTS:   1

         

        1. Microorganisms that are normally present in a specific site are the normal ____________________.

         

        ANS:  flora

         

        PTS:   1

         

        1. Salmonella species could be isolated from a ____________________.

         

        ANS:  stool specimen

         

        PTS:   1

         

        1. The patient should rinse the mouth with water before collecting a ____________________.

         

        ANS:

        sputum specimen

        sputum

        respiratory specimen

         

        PTS:   1

         

        1. Cary-Blair is a medium that can be used for transport of ____________________.

         

        ANS:

        stool specimens

        stools for culture

         

        PTS:   1

         

        1. Health care workers may be tested for being carriers of MRSA by having a(an) ____________________.

         

        ANS:

        nasal culture

        nasopharyngeal culture

        nasal swab performed

        nasopharyngeal swab performed

         

        PTS:   1

         

        MATCHING

         

        Choose the best match for each item. Use an answer only once.

        a. Bordatella pertussis
        b. Streptococcus
        c. Escherichia coli
        d. Staphylococcus aureus such as MRSA
        e. anaerobic organisms

         

         

        1. HAIs

         

        1. urinary tract infections

         

        1. nasal or nasopharyngeal swab

         

        1. wound cultures

         

        1. throat cultureLesson 8-2: Collecting and Processing Specimens for Parasite Detection

           

          TRUE/FALSE

           

          1. Fecal specimens must not be preserved before staining with trichrome stain.

           

          ANS:  F                    PTS:   1

           

          1. In intestinal protozoan parasite infections, trophozoite forms are more likely to be found in fluid or watery stool specimens.

           

          ANS:  T                    PTS:   1

           

          1. Once a fecal specimen is placed in fixative, all parasite forms present are killed and are noninfectious.

           

          ANS:  F                    PTS:   1

           

          1. Pinworm infections are most commonly found in the elderly.

           

          ANS:  F                    PTS:   1

           

          1. Use of gloves is not necessary when working with preservatives or fixatives for parasites.

           

          ANS:  F                    PTS:   1

           

          1. The cellophane tape test is used for detection of pinworm.

           

          ANS:  T                    PTS:   1

           

          1. Detection of pinworm may require collection of several specimens over a period of days.

           

          ANS:  T                    PTS:   1

           

          1. Some intestinal parasites can be detected by immunological tests on fecal specimens.

           

          ANS:  T                    PTS:   1

           

          1. Fixing or preserving fecal specimens eliminates the need to use Standard Precautions when handling the specimen.

           

          ANS:  F                    PTS:   1

           

          1. Patients who have taken antidiarrheal medications, antacids, or mineral oil should wait 2 days before submitting a fecal specimen for parasite examination.

           

          ANS:  F                    PTS:   1

           

          MULTIPLE CHOICE

           

          1. Fecal specimens to be mailed or transported must be:
          a. in a container approved for transport of biological specimens
          b. placed in fixative
          c. refrigerated
          d. Only (a) and (b) are correct.
          e. (a), (b), and (c) are correct.

           

           

          ANS:  D                    PTS:   1

           

          1. Which of the following organisms cannot be detected by using a fecal antigen/immunological test?
          a. Giardia c. Cryptosporidium
          b. Plasmodium d. Entamoeba

           

           

          ANS:  B                    PTS:   1

           

          1. Blood is the appropriate specimen for detecting all of the following parasites EXCEPT:
          a. Trichomonas c. filarial worms
          b. malarial parasite d. Babesia

           

           

          ANS:  A                    PTS:   1

           

          1. Fecal specimens placed in fixative:
          a. should be handled wearing gloves
          b. can still contain viable parasites
          c. should be transported in special containers
          d. all of the above (a–c)

           

           

          ANS:  D                    PTS:   1

           

          1. Specimens for detection of Enterobius should be collected:
          a. every 6 hours for 3 days c. late at night or in early morning
          b. any time of day or night d. before bedtime

           

           

          ANS:  C                    PTS:   1

           

          COMPLETION

           

          1. The motile, feeding stage of protozoan parasites is called the ____________________.

           

          ANS:

          troph

          trophozoite

           

          PTS:   1

           

          1. The nonmotile, nonfeeding stage of protozoan parasites is the ____________________.

           

          ANS:  cyst

           

          PTS:   1

           

          1. The laboratory test requesting examination of fecal specimens for parasites is called ____________________.

           

          ANS:

          O & P

          Ova & Parasites

          Ova and Parasites

           

          PTS:   1

           

          1. Fecal specimens should be delivered to the laboratory within ____________________ hours of collection.

           

          ANS:

          two

          2

           

          PTS:   1

           

          1. If specimen transport is delayed, the specimen must be ____________________.

           

          ANS:

          preserved

          fixed

          placed in fixative

          placed in preservative

           

          PTS:   1

           

          1. The scientific name for pinworm is ____________________.

           

          ANS:  Enterobius vermicularis

           

          PTS:   1

           

          1. The best time for collecting specimens for pinworm detection is ____________________.

           

          ANS:

          late at night

          early in the morning

          late at night or early in the morning

           

          PTS:   1

           

          1. The method for collecting specimens for pinworm examination is ____________________.

           

          ANS:

          cellophane tape swab

          perianal swab

           

          PTS:   1

           

          1. The preservative used for fecal specimens that are to be stained with trichrome stain is ____________________.

           

          ANS:

          PVA

          polyvinyl alcohol

          modified PVA

          modified polyvinyl alcohol

           

          PTS:   1

           

          1. The body segment of a tapeworm is called a(n) ____________________.

           

          ANS:  proglottid

           

          PTS:   1

           

          MATCHING

           

          Choose the best match for each item. Use an answer only once.

          a. Enterobius d. Trichomonas
          b. Toxoplasma e. Ascaris
          c. Trichinella f. Babesia

           

           

          1. can be present in urine

           

          1. most common roundworm in humans in the United States

           

          1. usually detected by testing serum for antibodies

           

          1. blood is the preferred specimen for detecting

           

          1. present in muscle

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