NHA Phlebotomy Practice Test 2023
1. The two circulations of the heart are A. Tricuspid and Bicuspid B. Pulmonary and Systemic C. Right
Ventricle and
... [Show More] Left Ventricle D. Right Atrium and Left Atrium - ANS-Pulmonary and Systemic
2. Pulmonary Circulation carries A: Oxygenated blood throughout the body. B. Deoxygenated blood to
the lungs and oxygenated blood from the lungs. - ANS-Deoxygenated blood to the lungs and oxygenated
blood from the lungs.
3. What kind of valve is the tricuspid valve? A. Atrioventricular B. Semi-lunar - ANS-Atrioventricular
4. The pulmonic valve is situated between A. Upper and lower heart chambers B. Right atrium and right
ventricle C. Right ventricle and pulmonary artery - ANS-R. Ventricle & Pulmonary Artery
5. Endocardium is which layer of the heart. A. Outer B. Inner C. Middle - ANS-Inner
6. The myocardium is the layer of the heart that is made of A. Muscle B. Cartilage C. Endometrial tissue -
ANS-Muscle
7. Which layer of the heart is the epicardium? A. Inner B. Middle C. Outer - ANS-Outer
8. what kind of blood do arteries and arterioles carry? A. Oxygenated B. Deoxygenated - ANSOxygenated
9. What percentage of the blood is made up of formed elements? A. 35% B. 65% C. 45% D. 55% - ANS45%
10. What percentage of formed elements is erythrocytes? A 60% B. 55% c. 90% p. 10% - ANS-90&
11.What is the oxygen carying protein in erythroytes? A. Hemoglobin B. Reticulocytes c. Plasma D.
Leukocytes - ANS-Hemoglobin
12. Where do blood cells originate? A. Heat B. Lungs C. Bone marrow D. Capillaries - ANS-Bone Marrow
13. How many liters of blood does the average adult have? A. 5-6 B. 3-4 c. 7-8 p. 9-10 - ANS-5-6
14. What is the normal life span ofa RBC? A. 9-12 days B. 120 days c. 365 days D. 45 days - ANS-120 days
15. What is the liquid portion of blood called?
A. Plasma B. Water C. Formed elements D. Serum - ANS-Plasma
16. What is the function of a leukocyte? A. Carry oxygen to cells B. Protect from infection C. Aid in clot
formation - ANS-protect from infection [Show Less]