Phlebotomy Test National Healthcareer Association 3

Question 1

A patient has a latex allergy documented in their chart. Which item used during routine venipuncture must be substituted?

Accepted Answer

Standard gloves replaced with nitrile or vinyl gloves

Answer

Standard examination gloves may contain latex; nitrile or vinyl gloves must be substituted for latex-allergic patients.

Question 2

Which laboratory test requires the specimen to be kept warm (37°C) during transport to the laboratory?

Accepted Answer

Cold agglutinin titer

Answer

Cold agglutinins precipitate at low temperatures, so the specimen must be maintained at body temperature to prevent false results.

Question 3

What is the maximum recommended tourniquet application time before venipuncture?

Accepted Answer

1 minute

Answer

Tourniquets should not remain on longer than 1 minute to prevent hemoconcentration, which skews test results.

Question 4

A requisition slip lists a 'STAT' order. In a clinical laboratory context, STAT means:

Accepted Answer

Immediate processing — results needed urgently

Answer

STAT (from Latin statim) signals that the specimen must be collected and results returned as quickly as possible.

Question 5

Which of the following veins is considered the FIRST choice for routine adult venipuncture according to standard phlebotomy guidelines?

Accepted Answer

Median cubital vein

Answer

The median cubital vein in the antecubital fossa is the preferred site because it is large, well-anchored, and least painful.

Phlebotomy Practice Test