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1. The endothelium is found in the ________.
 
 
 
 

Question 1 of 8

2. Nervi vasorum control ________.
 
 
 
 

Question 2 of 8

3. Closer to the heart, arteries would be expected to have a higher percentage of ________.
 
 
 
 

Question 3 of 8

4. Which of the following best describes veins?
 
 
 
 

Question 4 of 8

5. An especially leaky type of capillary found in the liver and certain other tissues is called a ________.
 
 
 
 

Question 5 of 8

6. Critical Thinking: Arterioles are often referred to as resistance vessels. Why?

Question 6 of 8

7. Critical Thinking: Cocaine use causes vasoconstriction. Is this likely to increase or decrease blood pressure, and why?

Question 7 of 8

8. Critical Thinking: A blood vessel with a few smooth muscle fibers and connective tissue, and only a very thin tunica externa conducts blood toward the heart. What type of vessel is this?

Question 8 of 8