Chemistry Specimen Collection And Processing Quiz

75 Questions | Total Attempts: 414

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Chemistry Specimen Collection And Processing Quiz

CHEMISTRY SPECIMEN COLLECTION AND PROCESSING QUIZ


Questions and Answers
  • 1. 
    In the clinical chemistry department, tests can be performed on the following
    • A. 

      Blood

    • B. 

      Candy sweetness

    • C. 

      Cerebrospinal fluid

    • D. 

      Pleural fluid

    • E. 

      Synovial fluid

    • F. 

      Pericardial

    • G. 

      Agar plates

  • 2. 
    10 of the following tests require chilling (ice/water mixture) of specimen
    • A. 

      Catecholamine

    • B. 

      Free fatty acids

    • C. 

      Ammonia

    • D. 

      Lactic acid

    • E. 

      Arterial blood gas

    • F. 

      Angiotensin converting enzyme

    • G. 

      ACTH

    • H. 

      Pyruvate

    • I. 

      Renin

    • J. 

      Acetone

    • K. 

      Cryoglobulin

    • L. 

      Cryofibrinogen

    • M. 

      Cold agglutinin

    • N. 

      Bilirubin

    • O. 

      Carotene

    • P. 

      Vitamin b12

    • Q. 

      Folate (folic acid)

  • 3. 
    4 of the following tests are light sensitive and blood tubes wrapped in foil are used to transport
    • A. 

      Catecholamine

    • B. 

      Free fatty acids

    • C. 

      Ammonia

    • D. 

      Lactic acid

    • E. 

      Arterial blood gas

    • F. 

      Angiotensin converting enzyme

    • G. 

      ACTH

    • H. 

      Pyruvate

    • I. 

      Renin

    • J. 

      Acetone

    • K. 

      Cryoglobulin

    • L. 

      Cryofibrinogen

    • M. 

      Cold agglutinin

    • N. 

      Bilirubin

    • O. 

      Carotene

    • P. 

      Vitamin b12

    • Q. 

      Folate (folic acid)

  • 4. 
    3 of the following tests require warm (37C) body temperature of specimen
    • A. 

      Catecholamine

    • B. 

      Free fatty acids

    • C. 

      Ammonia

    • D. 

      Lactic acid

    • E. 

      Arterial blood gas

    • F. 

      Angiotensin converting enzyme

    • G. 

      ACTH

    • H. 

      Pyruvate

    • I. 

      Renin

    • J. 

      Acetone

    • K. 

      Cryoglobulin

    • L. 

      Cryofibrinogen

    • M. 

      Cold agglutinin

    • N. 

      Bilirubin

    • O. 

      Carotene

    • P. 

      Vitamin b12

    • Q. 

      Folate (folic acid)

  • 5. 
    Which of the following tubes is used to test for blood alcohol level?
    • A. 

      Answer option1

    • B. 

      Answer option2

    • C. 

      Answer option3

    • D. 

      Answer option4

    • E. 
  • 6. 
    Why should a PST evacuated tube be inverted 8-10 times after it has been filled with blood?
    • A. 

      Insufficient mixing of blood leads to micro-clot and fibrin strand formation

    • B. 

      Insufficient mixing of blood leads to dirty blood

    • C. 

      Insufficient mixing of blood leads to changes in blood color

    • D. 

      Insufficient mixing of blood leads to foul smelling blood

  • 7. 
    Choose all of the criteria that must be met for a specimen to be acceptable for testing
    • A. 

      Label must be complete

    • B. 

      Blood specimen must be free of hemolysis

    • C. 

      Specimen must be delivered to the laboratory within the specified amount of time after collection

    • D. 

      Anticoagulated blood must be free of clots

    • E. 

      Specimens must be stored properly until the time of testing

    • F. 

      Outer surfaces of specimen containers must have no visible contamination

    • G. 

      Blood specimen cannot be drawn from a site above an IV line

    • H. 

      Specimen collected in anticoagulant must have the correct blood-to-anticoagulation ratio

    • I. 

      Whole blood specimen must be shook vigorously before all testing

    • J. 

      Blood specimen cannot be drawn from a site below an IV line under any circumstances

    • K. 

      Blood tubes with anticoagulants should have a bid visible clot before being spun down

  • 8. 
    The following information should be written on the blood collection tube while at patients bedside immediately after a venipuncture
    • A. 

      Patient name

    • B. 

      Date of blood collection

    • C. 

      Time of collection in military time

    • D. 

      Time of collection using 12 hour clock

    • E. 

      Phlebotomist initials

    • F. 

      Accession number

    • G. 

      Specimen ID number

  • 9. 
    A blood sample can be drawn by the IV nurse before the IV is started
    • A. 

      True

    • B. 

      False

  • 10. 
    When patients have an IV line, the specimen must be collected from a different arm or from a vein below the IV insertion
    • A. 

      True

    • B. 

      False

  • 11. 
    Every laboratory should have an SOP (standard Operating Procedure) manual that contains specific instructions for specimen collection
    • A. 

      True

    • B. 

      False

  • 12. 
    Choose all the blood collection tube closure colors that contains heparin and gel separator
    • A. 

      Answer option1

    • B. 

      Answer option2

    • C. 

      Answer option3

    • D. 

      Answer option4

  • 13. 
    The plastic blood collection tube with red closure top does not need to be inverted after being filled with blood
    • A. 

      True

    • B. 

      False

  • 14. 
    The glass blood collection tube with red closure top  needs to be inverted after being filled with blood
    • A. 

      True

    • B. 

      False

  • 15. 
    The plastic blood collection tube with red closure top  needs to be inverted after being filled with blood
    • A. 

      True

    • B. 

      False

  • 16. 
    Heparin additive in blood collection tubes is made from cow or pig lungs or intestines
    • A. 

      True

    • B. 

      False

  • 17. 
    Heparin anticoagulant  in blood collection tubes can be manufactured in the form of which salts
    • A. 

      Lithium (Li+)

    • B. 

      Sodium (Na+)

    • C. 

      Ammonium (NH4+)

    • D. 

      Potassium (K+)

    • E. 

      Magnesium (Mg2+)

  • 18. 
    Lithium heparin should not be used for blood lithium determinations
    • A. 

      True

    • B. 

      False

  • 19. 
    Lithium heparin should be used for blood lithium determinations
    • A. 

      True

    • B. 

      False

  • 20. 
    Ammonium heparin should be used for blood ammonia level testing
    • A. 

      True

    • B. 

      False

  • 21. 
    Patients on heparin therapy should get blood drawn in the  in order to determine the therapeutic level for this blood thinner
    • A. 

      True

    • B. 

      False

  • 22. 
    Patients on heparin therapy should get blood drawn in the  in order to determine level therapeutic level for this blood thinner
    • A. 

      True

    • B. 

      False

  • 23. 
    Patients on heparin therapy should get blood drawn in the  in order to determine level therapeutic level for this blood thinner
    • A. 

      True

    • B. 

      False

  • 24. 
    Drawing a lavender top tube before a green tube could lead to a falsely elevated potassium (K) reading when electrolytes are being tested
    • A. 

      True

    • B. 

      False

  • 25. 
    Choose all tests that can be performed on a green top tubes
    • A. 

      Electrolytes

    • B. 

      Arterial blood gases

    • C. 

      Ammonia

    • D. 

      C&S

    • E. 

      Heparin therapy

    • F. 

      Coumadin therapy

    • G. 

      Hemophilia

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