Moderate

Peripheral vasoconstriction is a function of:

Correct answer: D. Norepinephrine

  • A. Vasopressin
  • B. Secretin
  • C. Epinephrine
  • D. Norepinephrine

Explanation

Norepinephrine causes vasoconstriction by acting on α- adrenergic receptors, helping raise blood pressure during stress.

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About Chemical Coordination and Hormones

Chemical coordination uses hormones released by endocrine glands and carried in blood to specific target cells. Coverage includes the pituitary, thyroid, pancreas, adrenal glands, ovaries and testes, feedback control, and the contrast between slower, longer-lasting hormonal responses and rapid nervous coordination.

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