Quiz 11 Flashcards

1
Q
  1. What is the definition of Shock?
A

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

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3
Q
  1. In shock where is vasoconstriction most prominent?
A

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

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

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

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

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

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9
Q
  1. How much can muscle blood flow be increased during extreme exercise in the well-trained athlete?
A

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10
Q
  1. How does muscle contraction augment venous return?
A

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11
Q
  1. What happens to blood flow in muscle tissues during exercise?
A

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12
Q
  1. How does capillary recruitment help delivery oxygen to muscle tissues during exercise?
A

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13
Q
  1. What factors facilitate oxygen unloading from hemoglobin to the tissues during exercise?
A

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14
Q
  1. What factors enhance blood flow at the tissue level?
A

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15
Q
  1. What are the beta-2 effects of epinephrine on skeletal muscle?
A

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16
Q
  1. Does cardiac output increase or decrease during exercise?
A

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17
Q
  1. How is the change in cardiac output correlated to heart rate changes during exercise?
A

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18
Q
  1. Does mean arterial pressure increase or decrease during exercise?
A

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19
Q
  1. What effect does the change in mean arterial pressure have on muscle blood flow? Why?
A

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20
Q
  1. What effect does the sympathetic nervous system have in the kidneys, splanchnic beds, and inactive muscle during heavy exercise?
A

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21
Q
  1. What factors enhance venous return during exercise?
A

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