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ANS
Question | Answer |
---|---|
true or false: preganglionic fibers are myelinated | true |
true or false: postganglionic fibers are myelinated | false |
which parts of the hypothalamus control the sympathetic division? | posterior and lateral |
which parts of the hypothalamus control the parasympathetic division? | anterior and medial |
voluntary or involuntary: somatic nervous system | voluntary |
voluntary or involuntary: autonomic nervous system | involuntary |
what structures are innervated by the somatic nervous system? | skeletal muscles |
which structures are innervated by the autonomic nervous system? | smooth & cardiac muscles, glands |
excitatory or inhibitory: efferent neurons of the somatic nervous system | excitatory |
excitatory or inhibitory: efferent neurons of the autonomic nervous system | excitatory and inhibitory |
which neurotransmitters are associated with the somatic nervous system? | ACh |
which neurotransmitters are associated with the autonomic nervous system? | ACh, NE |
length of the preganglionic fibers of the sympathetic division | short |
length of the preganglionic fibers of the parasympathetic division | long |
location of the preganglionic neuron of the sympathetic division | thoracolumbar |
location of the preganglionic neuron of the parasympathetic division | craniosacral |
the ____ganglionic fibers of the __________ division are adrenergic | post, sympathetic |
location of the autonomic ganglion of the sympathetic division | prevertebral and paravertebral |
location of the autonomic ganglion in the parasympathetic division | terminal |
length of postganglionic fibers of the sympathetic division | long |
length of postganglionic fibers of the parasympathetic division | short |
this type of neuron has one extension | unipolar |
this division is concerned with energy conservation | parasympathetic |
where can nicotinic receptors be found? | postganglionic neurons of both divisions |
where can muscarinic receptors be found? | postganglionic neurons of the parasympathetic division |
describe the visceral reflex arc | receptor --> afferent neuron --> interneuron --> preganglionic neuron --> postganglionic neuron --> effector |