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Part 2 Boards > ANS > Flashcards

ANS Flashcards

1
Q

3 parts of the ANS

A

sympathetic
parasympathetic
enteric

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2
Q

all ANS preganglionic fibers are ___

A

cholinergic

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3
Q

parasympathetic postganglionic fibers are __

A

cholinergic

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4
Q

sympathetic postganglionic fibers are __

A

adrenergic

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5
Q

where are sympathetics located

A

T1-L1/2

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6
Q

intermediate cell column is associated with what

A

sympathetics

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7
Q

describe vasomotor

A

shunt to large muscles

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8
Q

describe pilomotor

A

hair on end

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9
Q

describe sudomotor

A

wet palms

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10
Q

what’s the difference between intrasegmental and intersegmental

A

intrasegmental - exit directly to organ

intersegmental - ascend or descend before exit

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11
Q

short sympathetic preganglionic nerves release what NT

A

acetylcholine

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12
Q

long sympathetic post ganglionic nerves release what NT

A

epinephrine

norepinephrine

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13
Q

epinephrine uses what receptors

A

alpha and beta

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14
Q

norepinephrine uses what receptors

A

alpha only

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15
Q

adrenal glands contain what cells that synthesize catecholamines - where are these catecholamines sent

A

chromaffin cells

sympathetic post ganglionic fibers

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16
Q

alpha catecholamines do what

beta catecholamines do what

A

alpha - excite smooth muscle (NE/E)

beta - inhibit smooth muscle (E only)

17
Q

what cranial nerves contain parasympathetics

A

3, 7, 9, 10

18
Q

where are parasympathetics located

A

craniosacral

19
Q

which cord segments control the bowel and bladder parasympathetics

A

S2-4

20
Q

long preganglionic parasympathetic fibers use what NT

A

acetylcholine

21
Q

short postganglionic parasympathetic fibers use what NT

A

acetylcholine

22
Q

sympathetics contain __ preganglionic fibers and __ postganglionic fibers

A

short

long

23
Q

parasympathetics contain __ preganglionic fibers and __ postganglionic fibers

A

long

short

24
Q

when was enteric system discovered

when was it related to the ANS

A

1889

1920’s

25
Q

enteric system uses what NT

A

vaso intestinal peptide (VIP)

26
Q

what two plexus are involved in enteric system

A

myenteric and submucousal plexuses

27
Q

what is hirschsprungs disease

A

aganglionic - no plexus located in the intestinal wall

Part 2 Boards (34 decks)

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