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ANS SnowAP Flashcards

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5341132762"the autonomic nervous system"What part of the vertebrate nervous system innervates smooth and cardiac muscle and glandular tissues and governs involuntary, vital functions?0
5341132763oneIf we follow a nerve impulse from the CNS to an effector within the SNS, how many motor neurons would be involved?1
5341132764twoIf we follow a nerve impulse from the CNS to an effector within the ANS, how many motor neurons would be involved?2
5341132765preganglionic neuronA motor neuron within the ANS that lies between the CNS and a ganglion is what type of neuron?3
5341132766ganglionic neuronA motor neuron within the ANS that lies between a ganglion and an effector is what type of neuron?4
5341132767postganglionic axonWhat is the axon of a ganglionic neuron within the ANS?5
5341132768parasympathetic and sympathetic.What are the two divisions of the ANS?6
5341132769parasympatheticWhat division of the ANS is primarily concerned with conserving energy and replenishing nutrient stores and has been nicknamed the "rest-and-digest" division?7
5341132771"sympathetic"What division of the ANS is primarily concerned with preparing the body for emergencies and is often referred to as the "fight-or-flight" division?8
5341132772craniosacral divisionWhat is another term for the parasympathetic division?9
5341132773brainstem and gray regions of S2-S4 spinal cord segments.Where are the cell bodies of the preganglionic neurons for the parasympathetic division located?10
5341132774Next to or within the organs they innervate.Where are the ganglia of the parasympathetic division found?11
5341132775oculomotor (CN III), facial (CN VII), glossopharyngeal (CN IX), vagus (CN X).What cranial nerves carry parasympathetic fibers?12
5341132776oculomotorThe parasympathetic division innervates the ciliary and the pupillary constrictor muscle of the iris through what nerve?13
5341132777facialThe parasympathetic division innervates the lacrimal gland, the nasal mucosa, and the submandibular and sublingual salivary glands through what nerve?14
5341132778glossopharyngealThe parasympathetic division innervates the parotid salivary gland through what nerve?15
5341132779vagusThe parasympathetic division innervates the airways of the lungs, the heart, and the abdominal viscera through what nerve?16
5341132780lateral gray regions of the S2-S4 spinal cord segmentsWhat specific regions of the spinal cord house the cell bodies of the parasympathetic division of the ANS?17
5341132781pelvic splanchnic nervesWhat nerves carry fibers of the parasympathetic division of the ANS through the pelvis?18
5341132782visceralWhat does "splanchnic" mean?19
5341132783parasympatheticYou miss lunch and only have time for a bag of chips. What division of the ANS brings about an increase in the production of saliva as you eat?20
5341132784parasympatheticYou walk from a relatively dim building into the brightness of a sunny winter's day. Your pupils constrict. What division of the ANS brings about this constriction?21
5341132785parasympatheticA test in the Testing Center takes longer than you anticipated. Now you're late for your next class. You jog. You arrive and settle into your seat. The airways in your lungs constrict was you catch your breath. What division of the ANS brings about this constriction?22
5341132786parasympatheticA bit of dirt gets blown into your eye. Tears flow. What division of the ANS brings about the flow?23
5341132787thoracolumbar divisionWhat is another term for the sympathetic division of the ANS?24
5341132788sympathetic divisionThe lateral horns of T1-L2 of the spinal cord give rise to what division of the ANS?25
5341132789anterior rootWhat part of spinal nerves do the preganglionic sympathetic axons travel within as they leave the lateral horn of the spinal cord?26
5341132790sympathetic trunk (paravertebral or chain) gangliaWhat sympathetic ganglia lie on the left and right sides of the vertebral column?27
5341132791sympathetic trunk (paravertebral or chain) gangliaWhat structure the sympathetic division of the ANS has the appearance of a pearl necklace?28
5341132792cervical gangliaWhat clusters of ganglia of the sympathetic division of the ANS lie within the neck?29
5341132793communicating rami (rami communicates)What are the connections between the spinal nerves and the sympathetic trunk ganglia?30
5341132794white rami communicantes (white rami)What structures carry preganglionic sympathetic axons from the T1-L2 spinal nerves to the sympathetic trunk?31
5341132795gray rami communicates (gray rami)What structures carry postganglionic sympathetic axons from the sympathetic trunk to the spinal nerves?32
5341132796splanchnic nervesWhat structures are composed of preganglionic axons that do not synapse in a sympathetic trunk ganglion?33
5341132797prevertebral (collateral) gangliaSplanchnic nerves of the sympathetic division of the ANS terminate in what structures?34
5341132798prevertebral gangliaWhat structures are singular rather than paired, are anterior to the vertebral column, and are located only in the abdominal cavity?35
5341132799celiac ganglion, superior mesenteric ganglion, inferior mesenteric ganglionList the three prevertebral ganglia.36
5341132800spinal nerve pathwayWhat pathway is a postganglionic axon within if it travels through a gray ramus that is at the same level as the ganglionic neuron to innervate blood vessels or arrector pili muscles or sweat glands?37
5341132801postganglionic sympathetic nerve pathwayWhat pathway is a postganglionic axon within if the preganglionic neuron synapses with a ganglionic neuron in a sympathetic trunk ganglion, but the postganglionic axon does not leave the trunk via a gray ramus, but instead the postganglionic axon extends away from the sympathetic trunk ganglion and goes directly to the effector organ?38
5341132802splanchnic nerve pathwayWhat pathway is postganglionic axon within if it passes through the sympathetic trunk ganglia without synapsing and extends to the prevertebral ganglia?39
5341132803adrenal medulla pathway (aka sympathoadrenal pathway)What pathway is a sympathetic axon within if it goes to the adrenal medulla?40
5341132804sympathetic divisionThe pupil dilates when a person walks into a relatively dark building from a bright, snowy winter's day. What division of the ANS brings about this dilation?41
5341132805sympathetic divisionA test in the Testing Center takes longer than you anticipated. You're late for your next class. You jog. As you do the airways in your lungs dilate. What division of the ANS brings about this dilation?42
5341132806sympatheticAfter class you go for a game of racquetball and work up a sweat. What division of the ANS causes the formation of sweat?43
5341132807fight-or-flightIf you are driving a Sanpete County road on winter's day and a deer suddenly takes a suicidal leap in front of your car, what is the general response of your ANS?44
5341132808In the skin and skeletal muscles. There is only sympathetic innervation here.Usually both divisions of the ANS innervate organs. Where does this dual innervation not occur?45
5341132809autonomic plexusesWhat are collections of sympathetic postganlionic axons and parasympathetic preganglionic axons, as well as some visceral sensory axons?46
5341132810cardiac plexus, pulmonary plexus, esophageal plexus, abdominal aortic plexus, hypogastric plexus.List the five autonomic plexuses.47
5341132811hypothalamusWhat part of the CNS has the greatest control over the ANS?48
5341132812brainstemWhat part of the CNS holds nuclei which have a great deal of influence over autonomic function?49
5341132813parasympatheticWhat division of the ANS may process and control certain functions at the level of the spinal cord without involvement of the brain?50
5341132814vagusWhat cranial nerve carries nearly 80% of the parasympathetic output?51

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