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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 |