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anatomy (Woods) > Autonomic > Flashcards

Autonomic Flashcards

1
Q

where does the sympathetic plexuses range from

A

from spinal cord via sympathetic trunk

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2
Q

where does the parasympathetic plexuses

A

from cranial and caudal repositories

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3
Q

what are the autonomic plexuses

A

cardiac, pulmonary, esophageal, abdominal aortic, hypogastric

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4
Q

what sympathetic/parasympathetic activity occurs in cardiac plexuses

A

increased sympathetic activity increases heart rate and blood pressure, while increased parasympathetic activity decreases heart rate

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5
Q

what sympathetic/parasympathetic activity occurs in the pulmonary plexuses

A

parasympathetic pathway causes bronchoconstriction and increased secretion from mucous glands of the bronchial tree. Sympathetic innervation causes bronchodilation

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6
Q

what parasympathetic activity occurs in the esophageal plexus

A

parasympathetic axons control the swallowing reflex

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7
Q

what does the abdominal aortic plexuses consist of

A

celiac plexus, superior mesenteric plexus, and inferior mesenteric plexus=autonomic control of digestion

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8
Q

What does the hypogastric plexus innervate

A

pelvic viscera= autonomic control of urinary and reproductive function

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9
Q

what 2 neurotransmitters are used in the ANS

A

acetylcholine and Norepinephrine

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10
Q

what are neurotransmitters released by

A

presynaptic cell

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11
Q

what axons in the parasympathetic division of the ANS released acetylcholine

A

both preganglionic and postganglionic

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12
Q

what axons in the sympathetic division of the ANS release acetylcholine

A

preganglionic

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13
Q

what is autonomic function influenced

A

cerebrum, hypothalamus, brainstem, and spinal cord

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14
Q

what does the cerebrum do

A

conscious activities in the cerebrum affect hypothalamus control of the ANS

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15
Q

what is hypothalamus involved in

A

integration and command center for autonomic (visceral) functions

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16
Q

where are the sympathetic preganglionic neuron cell bodies housed

A

lateral horn of the T1-L2 regions of the spinal cord

17
Q

what are splanchnic nerves composed of

A

preganglionic sympathetic axons

18
Q

what are the 5 sympathetic large splanchnic nerves

A 
greater thoracic
lesser thoracic
least thoracic splanchnic 
lumbar 
sacral
19
Q

where do splanchnic nerves terminate

A

prevertebral (or collateral) ganglia

20
Q

what is another name for the parasympathetic division

A

craniosacral division

21
Q

what is the parasympathetic division primarily concerned with

A

conserving energy and replenishing nutrient stores

22
Q

what is a nick name for the parasympathetic division

A

rest and digest division

23
Q

what 4 cranial nerves are associated with the parasympathetic division

A

oculomotor (3), facial (7), glossopharyngeal (9) and vagus (10)

24
Q

what do the CN 3, 7, and 9 convey

A

parasympathetic innervation to the head

25
Q

what is the vagus nerve the source of

A

parasympathetic stimulation for the thoracic and most abdominal organs

26
Q

what are the associated ganglion and parasympathetic activity with CN 3

A

ciliary gangion
pupil constriction
ciliary muscles of lens for accommodation (near vision/reading)

27
Q

what are the associated ganglion and parasympathetic activity with CN 7

A

pterygopalatine ganglion (lacrimal gland-tear production, nasal cavity-mucous production, oral cavity-saliva/mucous production)

submandibular ganglion (submandibular and sublingual glands-saliva production)

28
Q

what are the associated ganglion and parasympathetic activity with CN 9

A 
otic ganglion
parotid gland (saliva production)
29
Q

what is the caudal contribution of parasympathetic: via pelvic splanchnic nerves

A 
distal portion of large intestine
rectum
most reproductive organs
urinary bladder
distal ureters
erection

anatomy (Woods) (19 decks)

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