PCT NHA EXAM QUESTIONS AND ANSWERS | LATEST UPDATE | FULLY SOLVED

PCT NHA EXAM QUESTIONS AND
ANSWERS

1. Lavender-topped tube contains:

a. No additive

b. SPS

c. Na+ citrate

d. EDTA

Correct answer – d. EDTA

2. Additive in a gray-topped tube is:

a. K+ oxalate

b. Na+ citrate

c. EDTA

d. None of the above

Correct answer – a. K+ oxalate

3. Needle with the largest gauge:

a. 16 g

b. 20 g

c. 21 g

d. 25 g

Correct answer – a. 16 g

4. Gauge needle used for typical adult venipuncture:

a. 23 g

b. 16 g

,c. 21 g

d. 25 g

Correct answer – c. 21 g

5. Venipuncture equipment with needle attached to plastic tubing:

a. Syringe

b. Evacuated tube

c. Winged infusion set

d. Micro-collection container

Correct answer – c. Winged infusion set

6. All true about winged infusion sets EXCEPT:

a. Commonly referred to as butterfly

b. Comes in needle sizes of 16g and 18g

c. Used on fragile veins

d. Preferred over a syringe

Correct answer – b. Comes in needle sizes of 16g and 18g

7. Patient took meds with orange juice before FBG:

a. Draw blood

b. Explain cannot draw without physician consult

c. Tell patient to call physician immediately

d. Ask patient to return tomorrow

Correct answer – b. Explain cannot draw without physician consult

8. Incorrect action during dermal puncture:

a. Using 2.0 mm lancet on child

b. Puncturing plantar heel surface

c. Allowing alcohol to dry before puncture

,d. Collecting first drop of blood

Correct answer – d. Collecting first drop of blood

9. Function of veins:

a. Carry oxygen-rich blood to heart

b. Facilitate oxygen exchange

c. Carry blood back to heart

d. Carry nutrients to tissues

Correct answer – c. Carry blood back to heart

10. Most common venipuncture site in adults:

a. Radial artery

b. Median cubital vein

c. Femoral vein

d. Basilic vein

Correct answer – b. Median cubital vein

11. Tube used for coagulation studies:

a. Lavender top

b. Gray top

c. Light blue top

d. Green top

Correct answer – c. Light blue top

12. Tourniquet application time should not exceed:

a. 1 minute

b. 2 minutes

c. 3 minutes

d. 5 minutes

, Correct answer – a. 1 minute

13. Angle of needle insertion for venipuncture:

a. 15–30 degrees

b. 45 degrees

c. 60 degrees

d. 90 degrees

Correct answer – a. 15–30 degrees



14. Order of draw begins with:

a. Lavender top

b. Light blue top

c. Blood culture bottles

d. Gray top

Correct answer – c. Blood culture bottles

15. Additive in green-topped tube:

a. Heparin

b. EDTA

c. Sodium citrate

d. Potassium oxalate

Correct answer – a. Heparin

16. Purpose of sodium citrate in coagulation tubes:

a. Chelates calcium

b. Preserves glucose

c. Prevents hemolysis

d. Enhances clotting