D sensory dvision 44. The major regulatory center of the autonomic system is, ac

Question

D sensory dvision 44. The major regulatory center of the autonomic system is, according to many scientists, the since this brain region has functions, such as control of body temperature, that require appropriate activation of sympathetic and parasympathetic nerves. A, cerebrum B thalamus C. midbrain D.hypothalamus of cerebral arteries since 45. A defect in nitric oxide synthetase gene may result in reduced nitric oxide production would be impaired. A.vasodilation B, vasoconstriction C. sleep D. feeding 46. Epinephrine is a A. sympathetic neurotransmitter. B. sympathomimetic hormone.. C. parasympathetic neurotransmitter D. All of the choices are correct

Explanation / Answer

44. the answer is hypothalamus as it controls autonomic nervous system.

Cerebrum controls voluntary activities.

midbrain controls activities of facial region.

45. vasodilation

NO synthetase is responsible for vasodilation.

46. a sympathetic neurotransmitter.

It cannot be parasympathetic neurotransmitter.

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