1. Match the description to the appropriate type of efferent output. MATCHING OP
ID: 3511596 • Letter: 1
Question
1. Match the description to the appropriate type of efferent output.
MATCHING OPTIONS:
• characteristic of somatic nervous system efferents
• characteristic of autonomic nervous system efferents
• Not characteristic of efferents of either branch
• Characteristic of efferents of both branches
a) innervates cardiac muscle, smooth muscle, and glands
b) innervates skeletal muscle
c) consists of the axons of somatic motor neurons
d) exerts either an excitatory or an inhibitory effect on its effector organs
e) exerts antagonistic control over effector organs
f) exerts only an excitatory effect on its effector organs
2. Which division of the autonomic nervous system prepares the body for intense levels of activity
and stress?
a) craniosacral
b) parasympathetic
c) somatomotor
d) sympathetic
3. Match the description with the appropriate neurotransmitter.
MATCHING OPTIONS:
•acetylcholine
•dopamine
•GABA
•norepinephrine/epinephrine
a) secreted by all preganglionic fibers
b) secreted by primarily by sympathetic postganglionic fibers
c) secreted by primarily by parasympathetic postganglionic fibers
d) secreted by the adrenal medulla
e) secreted by somatic motor neurons
f) binds to muscarinic or nicotinic receptors
g) binds to adrenergic receptors
Explanation / Answer
1
a The autonomic nervous system (ANS) is a system of motor neurons that innervatesmooth muscle, cardiac muscle and glands.
b somatic effectors are skeletal muscles
c somatic nervous sytem
D autonomic nervous system
E characteristic of autonomic nervous system efferents
F characteristic of somatic nervous system efferents
2 andswer is D SYMAPATHETIC DIVISION
3
a acetyl choline
b norepinephrine
c acetylcholine
d norepinephrine
e acetylcholine
f acetylchonie
g norepinephrine /epinephrine
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