Certified Phlebotomy Technician Exam Phlebotomy Fundamentals 5

Question 1

A specimen is hemolyzed. Which test result is MOST likely to be falsely elevated?

Accepted Answer

Potassium

Answer

Sodium

Answer

Calcium

Answer

Glucose

Question 2

What is the maximum number of venipuncture attempts a phlebotomist should make on a single patient?

Accepted Answer

Two attempts

Answer

One attempt only

Answer

Three attempts

Answer

As many as needed until successful

Question 3

Which antiseptic is the GOLD STANDARD for skin preparation before blood culture collection?

Accepted Answer

Povidone-iodine or chlorhexidine gluconate

Answer

70% isopropyl alcohol alone

Answer

Benzalkonium chloride

Answer

Hydrogen peroxide

Question 4

What does the acronym 'CLSI' stand for in the context of phlebotomy standards?

Accepted Answer

Clinical Laboratory Standards Institute

Answer

Certified Laboratory Safety Inspectors

Answer

Clinical Licensing and Specimen Instructions

Answer

Centralized Laboratory Systems Inventory

Question 5

A chain of custody specimen is required. Which step is MOST critical?

Accepted Answer

Documenting every person who handles the specimen and maintaining an unbroken seal

Answer

Using a green-top tube for all samples

Answer

Collecting the specimen in a sterile room

Answer

Spinning the specimen within 30 minutes

Question 6

When collecting a timed specimen such as a 2-hour postprandial glucose, what information MUST be recorded?

Accepted Answer

The exact time of collection and the time the meal was consumed

Answer

The phlebotomist's employee ID only

Answer

The patient's last fasting glucose result

Answer

The type of meal the patient consumed

Question 7

Which of the following is a sign that the needle has passed THROUGH the vein during venipuncture?

Accepted Answer

No blood return and a hematoma begins to form

Answer

Blood flows freely into the tube

Answer

The patient feels mild pressure at the site

Answer

The tube fills more rapidly than expected