Certified Phlebotomy Technician Exam Basic 2

Question 1

Which gauge needle is most commonly used for routine venipuncture in adults?

Accepted Answer

21 gauge

Answer

A 21-gauge needle is the standard choice for routine adult venipuncture, balancing flow rate and patient comfort.

Question 2

What does the term 'hemoconcentration' refer to in phlebotomy?

Accepted Answer

Increased concentration of blood cells due to prolonged tourniquet use

Answer

Hemoconcentration occurs when a tourniquet is left on too long, causing fluid to shift out of capillaries and artificially elevating cell and analyte concentrations.

Question 3

Which tube additive is found in a red-top (no additive) tube?

Accepted Answer

None — it contains no additive

Answer

A plain red-top tube contains no additive; blood clots naturally and serum is obtained after centrifugation.

Question 4

A patient's arm shows petechiae after tourniquet application. What does this finding suggest?

Accepted Answer

Possible platelet or coagulation disorder

Answer

Petechiae (small pinpoint hemorrhages) under a tourniquet may indicate a platelet disorder or capillary fragility and should be reported.

Question 5

What is the correct action if a phlebotomist accidentally needlesticks themselves during a draw?

Accepted Answer

Immediately wash the site, report to supervisor, and follow exposure protocol

Answer

Immediate washing, reporting, and following the facility's exposure control plan are required by OSHA bloodborne pathogen standards.

Certified Phlebotomy Technician Exam Practice Test

Certified Phlebotomy Technician Exam Practice Test

Certified Phlebotomy Technician Exam Basic 2