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1. The force the heart must overcome to pump blood is known as ________.
 
 
 
 

Question 1 of 7

2. The cardiovascular centers are located in which area of the brain?
 
 
 
 

Question 2 of 7

3. In a healthy young adult, what happens to cardiac output when heart rate increases above 160 bpm?
 
 
 
 

Question 3 of 7

4. What happens to preload when there is venous constriction in the veins?
 
 
 
 

Question 4 of 7

5. Which of the following is a positive inotrope?
 
 
 
 

Question 5 of 7

6. Critical Thinking: Why does increasing EDV increase contractility?

Question 6 of 7

7. Critical Thinking: Why is afterload important to cardiac function?

Question 7 of 7