Cardiovascular System Practice Test | Anatomy & Physiology Exam Questions & Answers

Cardiovascular System (EXAM 2 A&P pt 1/3)
Practice Test — Anatomy & Physiology — Exam 2
Cardiovascular System Practice Questions with
Answers

1. The main purposes of the cardiovascular system are: A. Removal of CO2, nutrients,
hormones, etc. to tissues via the blood circulation B. Delivery of O2, nutrients, hormones,
etc. to tissues via the blood circulation C. Removal of CO2, waste products, metabolic
intermediates, etc. from the tissues via the blood circulation D. Delivery of O2, waste
products, metabolic intermediates, etc. from the tissues via the blood circulation E. Just B
and C F. All of the above

Correct answer — E. Just B and C: B. Delivery of O2, nutrients, hormones, etc. to tissues via the blood circulation
C. Removal of CO2, waste products, metabolic intermediates, etc. from the tissues via the blood circulation


2. Cardiovascular system is comprised of what three main components? A. Blood (medium for
delivery), Vessels and arteries (pathways for blood), heart (pump) B. Blood (pathways), Vessels (road),
heart (pump)

C. Blood (medium for delivery), Vessels (pathways for blood), heart (pump) D. Blood (medium
for delivery), Arteries (pathways for blood), heart (pump)

Correct answer — C. Blood (medium for delivery), Vessels (pathways for blood), heart (pump)


3. What kind of tissue is blood? A. specialized epithelium tissue B. specialized connective
tissue C. regular connective tissue D. lipase tissue (fat)

Correct answer — B. specialized connective tissue


4. List the functions of blood A. Transportation of nutrients, hormones, O2 and CO2, and
waste products within the body. B. Regulation of pH and ions C. Restriction of fluid losses at
injury sites D. Defense against toxins and pathogens E. Stabilization of body temp F. All of
the above G. Just A- C

Correct answer — F. All of the above: A. Transportation of nutrients, hormones, O2 and CO2, and waste products
within the body. B. Regulation of pH and ions C. Restriction of fluid losses at injury sites D. Defense against toxins
and pathogens

E. Stabilization of body temp




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, 5. Whole blood is comprised of: A. Water and RBC, WBC B. Formed elements (plasma,
platelets, WBC, RBC) C. Plasma and Formed elements (RBC, WBC, Platelets) D. Platelets and
Formed elements (RBC, WBC, Plasma)

Correct answer — C. Plasma and Formed elements (RBC, WBC, Platelets)


6. fluid consisting of water, dissolved plasma proteins, other solutes in blood is called: A.
White Blood Cells B. Plasma C. Platelets D. Red Blood Cells

Correct answer — B. Plasma


7. What transports O2 & CO2 on hemoglobin? A. White Blood Cells B. Plasma C. Platelets D.
Red Blood Cells

Correct answer — D. Red Blood Cells


8. Which blood component is part of immune system? A. White Blood Cells B. Plasma C. Platelets

D. Red Blood Cells

Correct answer — A. White Blood Cells


9. Which blood component contains cell fragments involved in clotting? A. White Blood Cells
B. Plasma C. Platelets D. Red Blood Cells

Correct answer — C. Platelets


10. Surface antigens on ____ determine blood type, A, B, AB, or O A. White Blood Cells B.
Plasma C. Platelets D. Red Blood Cells

Correct answer — D. Red Blood Cells


11. Blood vessels are comprised of what three layers? A. Tunica epi-, Tunica myo-, Tunica
endo- B. Tunica Intima, Tunica Media, Tunica Externa C. Vescia Intima, Vescia Media, Vesica
Externa D. Vescia Internal, Vescia Middle, Vescia External

Correct answer — B. Tunica Intima, Tunica Media, Tunica Externa


12. Which layer contains smooth muscle? A. Vescia Intima B. Tunica Intima

C. Tunica Media D. Tuncia Middle

Correct answer — C. Tunica Media


13. The _____ layer contains ________ lining A. Tuncia Intima; endothelial B. Vescia Interima;
endothelial C. Tunica Middle; connective D. Tunica Externa; connective


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, Correct answer — A. Tuncia Intima; endothelial


14. _____ layer, which anchors ______ to ______ A. Tuncia Intima (intermost layer); vessels
to adjacent tissues B. Tuncia Intima (intermost layer); arteries adjacent tissues C. Tunica
Externa (outermost layer); vessels to adjacent tissues D. Tunica Externa (outermost layer);
arteries to adjacent tissues

Correct answer — C. Tunica Externa (outermost layer); vessels to adjacent tissues


15. Vessel contraction/relaxation changes the inner diameter, which can impede or facilitate
blood flow. Contraction is known as __________ and relaxation is known as ____________ A.
venoconstriction, venodilation B. vasoconstriction, vasodilation. C. vaso/venoconstriction,
vaso/venodilation. D. vaso/venodilation, vaso/venoconstriction

Correct answer — C. vaso/venoconstriction, vaso/venodilation.


16. Largest vessels for systemic blood delivery; have thick, muscular walls and are highly
elastic to withstand high pressures, but no gas exchange can occur. Which vessel is this? A.
Venules B. Veins C. Capillaries D. Arteries E. Arterioles

Correct answer — D. Arteries


17. Smaller branch of arteries; have thin, but muscular walls that can contract to direct blood
flow.

Correct answer — A. Venules B. Veins C. Capillaries D. Arteries E. Arterioles


18. Smallest vessels; thin walls permit gas exchange, but have no muscle to control blood
flow. A. Venules B. Veins C. Capillaries D. Arteries E. Arterioles

Correct answer — C. Capillaries


19. Smaller branch of veins; thin, compliant walls help store a lot of blood, and one-way valves to
facilitate blood flow A. Venules

B. Veins C. Capillaries D. Arteries E. Arterioles

Correct answer — A. Venules


20. Largest vessels for systemic blood return; have compliant, muscular walls, and one-way
valves to store and/or pump blood back to heart. A. Venules B. Veins C. Capillaries D.
Arteries E. Arterioles

Correct answer — B. Veins




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