CPCT MCQ 3

Question 1

When performing a venipuncture, which vein is most commonly used as the first choice in adults?

Accepted Answer

Median cubital vein

Answer

The median cubital vein in the antecubital fossa is the preferred first-choice site due to its size, stability, and accessibility.

Question 2

A patient with a latex allergy needs a blood draw. Which action is most important before the procedure?

Accepted Answer

Use latex-free gloves and latex-free tourniquet

Answer

All latex-containing supplies must be replaced with latex-free alternatives to prevent an allergic reaction.

Question 3

The order of draw for a routine blood collection using evacuated tubes is:

Accepted Answer

Light blue (citrate) → SST (gold) → EDTA (purple)

Answer

The CLSI-recommended order is: citrate (light blue) first, then serum tubes (gold/SST), then EDTA (purple) last.

Question 4

A patient falls while ambulating with PCT assistance. After ensuring patient safety, what is the PCT's next priority?

Accepted Answer

Complete an incident report and notify the nurse immediately

Answer

After stabilizing the patient, the nurse must be notified immediately and an incident report must be filed per facility policy.

Question 5

Which electrolyte imbalance is most commonly associated with muscle cramps, cardiac arrhythmias, and weakness in post-surgical patients?

Accepted Answer

Hypokalemia

Answer

Hypokalemia (low potassium) commonly causes muscle cramps, weakness, and dangerous cardiac arrhythmias.

CPCT - Certified Patient Care Technicians Practice Test