National Certified Phlebotomy Technician Flashcards

What is the primary purpose of the NCCT certification for phlebotomy technicians?

Answer: To validate competency in phlebotomy knowledge and skills through a national credential

NCCT certification validates that a phlebotomy technician has demonstrated competency in the knowledge and skills required for safe and effective blood collection.

Which of the following blood components carries oxygen from the lungs to body tissues?

Answer: Red blood cells (erythrocytes)

Red blood cells contain hemoglobin, which binds oxygen in the lungs and transports it to tissues throughout the body.

The tricuspid valve is located between which two chambers of the heart?

Answer: Right atrium and right ventricle

The tricuspid valve (with three leaflets) is located between the right atrium and right ventricle, preventing backflow of blood during ventricular contraction.

Which of the following is a function of platelets (thrombocytes)?

Answer: Initiating blood clot formation at injury sites

Platelets are cell fragments that play a crucial role in hemostasis by adhering to damaged blood vessel walls and aggregating to form the initial platelet plug.

What is the normal pH range of human blood?

Answer: 7.35 - 7.45

Normal blood pH is tightly regulated between 7.35 and 7.45, which is slightly alkaline. Values outside this range indicate acidosis or alkalosis.

Which layer of a blood vessel wall is in direct contact with blood?

Answer: Tunica intima (endothelium)

The tunica intima is the innermost layer of blood vessels, lined with endothelial cells that are in direct contact with flowing blood.