Chapter 14

Question 1

1. Which of the following should a health care worker do before using reagent strips and/or controls in point of care testing?
   A. Check the date that the bottle was opened
   B. Ensure the reagents and/or controls have been stored property
   C. Check the expiration date
   D. All of the above

Answer 1

D. All of the above

Question 2

2. What is troponin T?
   A. An instrument that is used to test T4
   B. A protein that is used to detect heart damage

Answer 2

B. A protein that is used to detect heart damage.

Question 3

3. Which of the following terms is synonymous with POCT?
   A. Blood culture testing
   B. Near patient testing

Answer 3

B. Near patient testing

Question 4

4. Most rapid methods for glucose testing require:
   A. Skin puncture blood
   B. Red blood cells

Answer 4

A. Skin puncture blood

Question 5

5. Which of the following refers to the term hematocrit?
   A. Hct, crit
   B. High

Answer 5

A. Hct, crit

Question 6

6. Which of the following blood assays can assist in the diagnosis ad evaluation of anemia?
   A. Hemoglobin
   B. Troponin T

Answer 6

A. Hemoglobin

Question 7

7. In the point of care testing, which of the following conditions can cause erroneous results in glucose testing?
   A. Outdated reagents
   B. Calibrators are not used
   C. Wrong volume of specimen is collected
   D. All of the above

Answer 7

D. All of the above

Question 8

8. In terms of quality control procedures , SD stands for:
   A. Shared diameter
   B. Standard deviation

Answer 8

B. Standard deviation

Question 9

9. Which of the following is released from pancreas and has major effect on blood glucose levels?
   A. Insulin
   B. Renin

Answer 9

A. Insulin

Question 10

10. Interpretation of a quality control chart is based on the fact that for a normal distribution:
    A. 99% of the value are within 3 SD of the mean
    B. 99% of the value are within 3 SD of the mean

Answer 10

A. 99% of the value are within 3 SD of the mean

Question 11

11. Na+,Cl_, and K+ are usually referred to as:
    A. Electrolytes
    B. Blood gases

Answer 11

A. Electrolytes

Question 12

12. The SureStepFlexx meter is used to test:
    A. Heart damage
    B. Glucose

Answer 12

B. Glucose

Question 13

13. All POCT analyzers require:
    A. Gloves
    B. Reagent strips

Answer 13

A. Gloves

Question 14

14. Control material should be analyzed how many times in order to determine the mean and SD?
    A. 10 to 15
    B. 20 to 30

Answer 14

B. 20 to 30

Question 15

15. In POCT quality control, tolerance limits are determined by pooling the data obtained during which test period?
    A. 30 day test period
    B. 40 day test period

Answer 15

A. 30 day test period

Question 16

16. Which of the following is recommended to use to routinely clean the POCT instruments?
    A. Is glycemic
    B. Is too acidic or too alkaline

Answer 16

B. Is too acidic or too alkaline

Question 17

18. The cholestech LDX system measures:
    A. Total cholesterol
    B. Cholesterol and bilirubin

Answer 17

A. Total cholesterol

Question 18

19. Which of the following is referred to as “bad cholesterol”?
    A. HDL cholesterol
    B. LDL cholesterol

Answer 18

B. LDL cholesterol

Question 19

20. A QC chart in the clinical laboratory is based on the fact that for a normal distribution, what percentage of the values about the mean should be within +/-2 SD?
    A. 95%
    B. 99%

Answer 19

A. 95%

Question 20

21. The CoaguChek system measures which of the following?
    A. PT
    B. Glucose

Answer 20

A. PT

Question 21

22. In laboratory abbreviations, PCV stands for:
    A. Prothrombin corpuscular volume
    B. Packed cell volume

Answer 21

B. Packed cell volume

Question 22

23. A less than normal number of erythrocytes in a patient is referred to as:
    A. Polycythemia
    B. Anemia

Answer 22

B. Anemia

Question 23

24. The hemoglobin A1c assay is used to monitor a patient’s:
    A. Blood glucose level
    B. Blood hematocrit level

Answer 23

A. Blood glucose level

Question 24

25. Which of the following measures a cardiac monitoring analyte?
    A. CoaguChek System
    B. TROPT sensitive rapid assay

Answer 24

B TROPT sensitive rapid assay

Question 25

26. The PT and INR testing is used in glucose monitoring. True or false

Answer 25

False

Question 26

27. A cardiac POCT is the ROCHE TROPT rapid assay. True or false

Answer 26

True

Question 27

28. Hct is the same as packed cell volume. True or false

Answer 27

True

Question 28

29. Hematocrit values are obtained to aid in the diagnosis of diabetes mellitus. True or false

Answer 28

False

Question 29

30. High density lipoprotein is referred to as the “good cholesterol”. True or False

Answer 29

True

Question 30

31. Triglycerides are fatty acids and glycerol that circulate in the blood. True or false

Answer 30

True

Question 31

32. A test for the maintenance of blood glucose levels is the troponin T test. True or false

Answer 31

False

Question 32

33. Hemoglobin is the same as hematocrit. True or false

Answer 32

False

Question 33

34. The purpose of EQC is to test the electronics of a POCT instrument. True or false

Answer 33

True

Question 34

35. Diabetes mellitus is an acute disease , not a chronic disease. True or false

Answer 34

False