Phlebotomy Test Phlebotomy Anatomy and Physiology 2

Question 1

What is the function of platelets (thrombocytes) in the blood?

Accepted Answer

Assist in blood clotting

Answer

Transport oxygen

Answer

Fight bacterial infections

Answer

Produce antibodies

Question 2

Which layer forms the middle portion of centrifuged whole blood between plasma and red blood cells?

Accepted Answer

Buffy coat

Answer

Serum layer

Answer

Fibrin layer

Answer

Hemolysis band

Question 3

A patient has a normal adult hematocrit. Which range best represents this value for males?

Accepted Answer

38–50%

Answer

28–34%

Answer

55–65%

Answer

70–80%

Question 4

Which vein in the antecubital area is considered the least preferred due to its proximity to the brachial artery?

Accepted Answer

Basilic

Answer

Median cubital

Answer

Cephalic

Answer

Dorsal hand vein

Question 5

What type of circulation carries blood from the heart to the lungs and back?

Accepted Answer

Pulmonary circulation

Answer

Systemic circulation

Answer

Portal circulation

Answer

Coronary circulation

Question 6

Which plasma protein is essential for maintaining oncotic pressure and transporting substances in the blood?

Accepted Answer

Albumin

Answer

Fibrinogen

Answer

Globulin

Answer

Prothrombin