WGU - D313 - Anatomy and Physiology 2 Cardiovascular System Practice Test questions and answers Graded A+ 2025/2026

WGU - D313 - Anatomy and
Physiology 2 Cardiovascular System
Practice Test
Where is the heart positioned? Choose 2 answers
it is superior to the diaphragm
it is medial to the lungs
3 multiple choice options
What is the cardiac muscle of the heart?
myocardium
3 multiple choice options
Which chamber of the heart receives oxygenated blood from the lungs?
left atrium
3 multiple choice options
The mitral (bicuspid) valve is between which chambers of the heart?
left atrium and left ventricle
3 multiple choice options
Which of the following valves is not found in the heart?
ileocecal valve
3 multiple choice options
Semilunar valves have 2 crescent-shaped cusps (T/F)
False
1 multiple choice option
Which valve lies between the left ventricle and left aorta?
aortic valve
3 multiple choice options
The four heart valves prevents the backflow of blood (T/F)
True
1 multiple choice option
Which structure prevents blood from flowing back into the atria on each side?
tricuspid and bicuspid valve
3 multiple choice options
Which structure is responsible for the sound of the human heartbeat?
valves
3 multiple choice options
Which blood vessel carries oxygenated blood from the lungs to the left atrium?
pulmonary veins
3 multiple choice options
Where are the elastic arteries located?
near the heart
3 multiple choice options

, Medium veins do not have internal or elastic laminae and, therefore, are not able to
withstand high pressure (T/F)
True
1 multiple choice option
Which of the following types of veins contain valves?
medium veins
2 multiple choice options
Veins generally have very thick walls in relation to their diameter, with large lumen (T/F)
False
1 multiple choice option
Which statements are true about veins? Choose 2 answers
they are more numerous than arteries
they lack smooth muscle
3 multiple choice options
Using this equation NFP = (BHP + IFOP) - (BCOP + IFHP), what change in the net
filtration would one expect with an increase of blood hydrostatic pressure?
increase
2 multiple choice options
When would an active transport mechanism be necessary?
when a substance must be moved against its concentration gradient
3 multiple choice options
Which blood vessel has a very small diameter and is involved in the circulation of blood
to the capillaries?
arteriole
3 multiple choice options
Which blood vessel has the structural characteristics of both an arteriole and a
capillary?
metarteriole
3 multiple choice options
Which type of artery has more smooth muscle content and less elastic fibers?
muscular artery
3 multiple choice options
Which type of capillaries has small pores present within them?
fenestrated capillaries
3 multiple choice options
How are arteries different than veins?
arteries carry blood away from the heart
3 multiple choice options
From which part of the aorta does the coronary arteries branch off?
ascending aorta
3 multiple choice options
What is unique about the pulmonary veins?
they are the only veins that contain oxygenated blood
3 multiple choice options
Which blood vessel brings blood that is filtered through the hepatic portal system back
to the heart?