(2025/2026) WGU D313 Anatomy and Physiology 2 Cardiovascular System Practice Test and Assessment Exam with 297 Questions and Correct Answers 100%

(2025/2026) WGU D313 Anatomy and Physiology 2 Cardiovascular System

Practice Test and Assessment Exam with 297 Questions and Correct Answers

100%




1. Where is the heart positioned? Choose 2 answers: it is superior to the di- aphragm
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it is medial to the lungs
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2. What is the cardiac muscle of the heart?: myocardium
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3. Which chamber of the heart receives oxygenated blood from the lungs?: left atrium
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4. The mitral (bicuspid) valve is between which chambers of the heart?: left atrium and
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left ventricle
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5. Which of the following valves is not found in the heart?: ileocecal valve
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6. Semilunar valves have 2 crescent-shaped cusps (T/F): False
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7. Which valve lies between the left ventricle and left aorta?: aortic valve
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8. The four heart valves prevents the backflow of blood (T/F): True
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9. Which structure prevents blood from flowing back into the atria on each side?: tricu
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spid and bicuspid valve
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10. Which structure is responsible for the sound of the human heartbeat?: -
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,valves

11. Which blood vessel carries oxygenated blood from the lungs to the left atrium?: pu
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lmonary veins r




12. Where are the elastic arteries located?: near the heart
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13. Medium veins do not have internal or elastic laminae and, therefore, are not able to
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withstand high pressure (T/F): True r r r r




14. Which of the following types of veins contain valves?: medium veins
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15. Veins generally have very thick walls in relation to their diameter,with large lumen (T/F)
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: False
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16. Which statements are true about veins? Choose 2 answers: they are more numerous t
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han arteries
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they lack smooth muscle
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17. Using this equation NFP = (BHP + IFOP) -
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r (BCOP + IFHP), what change in the net filtration would one expect with an increase of
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blood hydrostatic pressure?: increase
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18. When would an active transport mechanism be necessary?: when a sub-
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r stance must be moved against its concentration gradient
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19. Which blood vessel has a very small diameter and is involved in the circulation
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,of blood to the capillaries?: arteriole
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20. Which blood vessel has the structural characteristics of both an arteriole and a capil
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lary?: metarteriole
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21. Which type of artery has more smooth muscle content and less elastic fibers?: m
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uscular artery
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, 22. Which type of capillaries has small pores present within them?: fenestrated capillaries
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23. How are arteries different than veins?: arteries carry blood away from the heart
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24. From which part of the aorta does the coronary arteries branch off?: as-
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r cending aorta r




25. What is unique about the pulmonary veins?: they are the only veins that contain oxy
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genated blood r




26. Which blood vessel brings blood that is filtered through the hepatic portal system bac
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k to the heart?: inferior vena cava
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27. Blood from the digestive organs is transported to the liver by which vessel?: th
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e portal vein
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28. The liver has many functions: removes bacteria remov
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es many toxins from the blood
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uses blood from digestive system for nutrient metabolism
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29. The ductus venosus is a shunt that allows mostly oxygenated blood from the placent
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a to flow into the fetal heart by bypassing which organ?: the liver
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30. Which structures carry blood to the heart?: veins r r r r r r r




31. What is the function of superior vena cava?: it helps in collecting all the deoxygena
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ted blood r


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