Efferent division of the nervous system (human) (select the MOST CORRECT statement): Autonomic preganglionic neurons always communicate...

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Medical Sciences

Efferent division of the nervous system (human) (select the MOSTCORRECT statement):
Autonomic preganglionic neurons always communicate withpostganglionic neurons through the release of acetylcholine.
Motor neurons that innervate skeletal muscle are alwaysexcitatory.
Sweat glands are innervated by sympathetic neurons only, and arenot regulated by parasympathetic neurons.
Both a) and b) are correct and c) is incorrect.
a), b) and c) are all correct.
Regarding mammalian nervous systems (select the MOST CORRECTstatement):
The cerebellum is involved with the coordination of bodymovements.
Microglia function as immune cells in the central nervoussystem.
Grey matter in the spinal cord is associated with myelinatedaxons.
Both a) and b) are correct and c) is incorrect.
a), b) and c) are all correct.

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3.7 Ratings (452 Votes)

1 answer a bc are all correct Explanation In the autonomic nervous system usually acetylcholine is the neurotransmitter in the preganglionic sympathetic and parasympathetic neurons Alpha motor neurons See Answer

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		Autonomic preganglionic neurons always communicate withpostganglionic neurons through the release of acetylcholine.
		Motor neurons that innervate skeletal muscle are alwaysexcitatory.
		Sweat glands are innervated by sympathetic neurons only, and arenot regulated by parasympathetic neurons.
		Both a) and b) are correct and c) is incorrect.
		a), b) and c) are all correct.

		The cerebellum is involved with the coordination of bodymovements.
		Microglia function as immune cells in the central nervoussystem.
		Grey matter in the spinal cord is associated with myelinatedaxons.
		Both a) and b) are correct and c) is incorrect.
		a), b) and c) are all correct.