Multiple Choice Quiz

Please answer all questions


1	Autonomic motor nerves innervate all of the following except
		A)	the heart.
		B)	the small intestine.
		C)	the biceps muscle.
		D)	the salivary glands.


2	When comparing the autonomic and somatic motor systems
		A)	ganglia are found in both systems.
		B)	motor end plates are only found in the autonomic motor system.
		C)	denervation of motor nerves induces hypersensitivity of target cells.
		D)	none of the above.


3	Regarding the sympathetic division of the autonomic nervous system
		A)	preganglionic fibers arise from thoracic and lumbar nerves.
		B)	postganglionic fibers release acetylcholine.
		C)	preganglionic fibers release norepinephrine.
		D)	postganglionic fibers are relatively long.


4	The parasympathetic division of the autonomic nervous system
		A)	mediates the bodies response to stress.
		B)	has relatively long postganglionic fibers.
		C)	has numerous collateral ganglia.
		D)	contains spinal and cervical nerves.


5	Blocking muscarinic receptors would
		A)	increase heart rate.
		B)	stimulate constriction of the bronchioles.
		C)	stimulate pupillary constriction.
		D)	stimulate gastrointestinal function.


6	Head injury resulting in increased depolarization of the vagus nerve would initially cause
		A)	increased salivation.
		B)	pupillary dilation.
		C)	increased gastrointestinal motility.
		D)	contraction of the bladder.


7	Release of epinephrine from the adrenal medulla would initially cause
		A)	decreased strength of heart contractions.
		B)	decreased salivation.
		C)	contraction of the ciliary muscle.
		D)	hepatic glycogen synthesis.


8	Drugs which activate beta-1 receptors would
		A)	stimulate relaxation of the bronchiolar smooth muscle.
		B)	stimulate uterine contraction.
		C)	stimulate sweating.
		D)	increase heart rate.


9	Concerning the actions of the sympathetic and parasympathetic divisions
		A)	the actions on the salivary gland are complimentary.
		B)	the actions on the heart are antagonistic.
		C)	the actions on the urinary system are cooperative.
		D)	all of the above.


10	Electrical stimulation of the afferent fibers of the vagus nerve from the type J receptors would
		A)	inhibit inhalation.
		B)	stimulate antidiuretic hormone secretion.
		C)	decrease cardiac rate.
		D)	stimulate a feeling a satiety.

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