Certified Phlebotomy Technician Exam Trivia 5

Question 1

Which of the following describes the correct order of draw when using evacuated tubes?

Accepted Answer

Light blue, red/SST, green, lavender, gray

Answer

CLSI order of draw is: blood cultures, light blue (citrate), red/SST, green (heparin), lavender (EDTA), gray (fluoride/oxalate) to prevent cross-contamination between additives.

Question 2

What is the proper disposal method for used phlebotomy needles?

Accepted Answer

Immediately placing in an approved sharps container without recapping

Answer

Used needles must be discarded immediately in an approved puncture-resistant sharps container without recapping to prevent needlestick injuries.

Question 3

A patient reports feeling faint and lightheaded during a blood draw. What is the phlebotomist's first action?

Accepted Answer

Remove the needle, apply pressure, and have the patient lower their head or lie down

Answer

Removing the needle and positioning the patient safely (reclined or head between knees) is the immediate priority to prevent injury from fainting.

Question 4

What is the maximum recommended time between specimen collection and centrifugation for most chemistry tests?

Accepted Answer

2 hours

Answer

Most specimens should be centrifuged within 2 hours of collection to prevent cellular metabolism from altering analyte concentrations.

Question 5

Which test requires a specimen to be transported on ice immediately after collection?

Accepted Answer

Ammonia level

Answer

Ammonia is highly unstable and must be transported on ice to slow red blood cell metabolism that continuously produces ammonia after collection.

Certified Phlebotomy Technician Exam Practice Test

Certified Phlebotomy Technician Exam Practice Test

Certified Phlebotomy Technician Exam Trivia 5