Q:

Generalized sympathetic activity is characterized by

safaTerkawi
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2022-08-10
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 Generalized sympathetic activity is characterized by.

  1. Contraction of the radial muscle in the iris.
  2. Increased urinary excretion of catecholamines.
  3. Lipolysis in adipose tissue.
  4. Decreased conduction rate in the atrio-ventricular bundle.
  5. Relaxation of sphincteric smooth muscle in the alimentary tract.
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safaTerkawi
2022-08-10
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A. True This dilates the pupil.

B. True Derived from activity in the adrenal medulla and sympathetic nerve endings.

C. True This provides fatty acids for energy production.

D. False It increases and the PR interval shortens; higher heart rates are made possible.

E. False Sympathetic activity inhibits most smooth muscle in gut but contracts the sphincters.

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