Quiz 11

Question 1

1. What is the definition of Shock?

Answer 1

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Question 2

2. What are the compensatory mechanisms that are active in hemorrhagic shock?

Answer 2

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Question 3

3. In shock where is vasoconstriction most prominent?

Answer 3

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Question 4

4. Blood flow is preferentially redistributed to which body organs in shock states?

Answer 4

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Question 5

5. Approximately how much fluid can be reabsorbed at the capillary level to help maintain blood volume?

Answer 5

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Question 6

6. What are the decompensatory mechanisms that occur in progressive shock?

Answer 6

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Question 7

7. What are the positive feedback decompensatory mechanisms that are triggered by severe hypotension?

Answer 7

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Question 8

8. What occurs at the cellular level that leads to irreversible shock?

Answer 8

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Question 9

1. How much can muscle blood flow be increased during extreme exercise in the well-trained athlete?

Answer 9

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Question 10

2. How does muscle contraction augment venous return?

Answer 10

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Question 11

3. What happens to blood flow in muscle tissues during exercise?

Answer 11

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Question 12

4. How does capillary recruitment help delivery oxygen to muscle tissues during exercise?

Answer 12

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Question 13

5. What factors facilitate oxygen unloading from hemoglobin to the tissues during exercise?

Answer 13

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Question 14

6. What factors enhance blood flow at the tissue level?

Answer 14

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Question 15

7. What are the beta-2 effects of epinephrine on skeletal muscle?

Answer 15

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Question 16

8. Does cardiac output increase or decrease during exercise?

Answer 16

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Question 17

9. How is the change in cardiac output correlated to heart rate changes during exercise?

Answer 17

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Question 18

10. Does mean arterial pressure increase or decrease during exercise?

Answer 18

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Question 19

11. What effect does the change in mean arterial pressure have on muscle blood flow? Why?

Answer 19

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Question 20

12. What effect does the sympathetic nervous system have in the kidneys, splanchnic beds, and inactive muscle during heavy exercise?

Answer 20

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Question 21

13. What factors enhance venous return during exercise?

Answer 21

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