Question

Which of the following correctly describes the path blood takes through the vessels starting from the point at which it leaves the heart?
Group of answer choices

arteries - arterioles - capillaries - venules - veins

veins - venules - arteries - capillaries - arterioles

veins - venules - capillaries - arterioles - arteries

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Question 21 pts
Which layer of the vessles contains muscle tissue, and which muscle type is it?
Group of answer choices

tunica media, cardiac

tunica interna, cardiac

tunica media, smooth

tunica externa, skeletal

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Question 31 pts
The ___ are the only vessels where diffusion takes place.
Group of answer choices

arteries

veins

capillaries

diffusory vessels

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Question 41 pts
Which vessels carry blood to the heart from the lungs?
Group of answer choices

pulmonary arteries

pulmonary veins

aortic trunk

superior and inferior vena cava

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Question 51 pts
You would expect to find valves
Group of answer choices

in the aortic trunk to help direct blood flow

in the capillary beds in the skin to help regulate blood volume

in the carotid artery so help blood flow overcome gravity

in the great saphenous vein in the leg to prevent backflow

Answer 1

Answer and Explanation:

1. arteries - arterioles - capillaries - venules - veins
2. tunica media, smooth
3. capillaries
4. pulmonary veins
5. in the great saphenous vein in the leg to prevent backflow