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spinal anatomy > sympathetic NS > Flashcards

sympathetic NS Flashcards

1
Q

cardiac plexus

A

T1-4

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2
Q

greater splanchnic

A

T5-9, celiac plexus

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3
Q

lesser splanchnic

A

T10-11, kidney

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4
Q

least splanchnic

A

T12, colon

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5
Q

adrenergic receptors

A

nor/epi, stim breakdown of glycogen into glucose

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6
Q

alpha 1

A

vasoconstriction, pupil dilation

more sensitive to norepi

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7
Q

alpha 2

A

autoinhib to alpha 1

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8
Q

beta 1

A

inc heart

more sensitive to epi

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9
Q

beta 2

A

shuts down digestion, bronchodilation

more sensitive to epi

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10
Q

preganglionic synapse NT in sympathetics

A

Ach

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11
Q

post ganglionic synapose NT in sympathetics

A

Nor/epi in organs

Ach in sweat glands (mascarinic)

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12
Q

pathway

A

IML - white rami communicans (B fibers) pregang - Ach synapse - gray rami communicans (C fibers) - post gang - adrenalin on target organ
(fiber that goes to adrenal does not synapse, stays white rami communicans)

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13
Q

sup symp chain gang

A

above T4

pupil dilation

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14
Q

middle symp chain gang

A

C4-5

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15
Q

Inf symp chain gang

A

C6-8

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16
Q

stellate gang

A

C8-T1

17
Q

horners syndrome

A

disruption of cervical chain gang

ptosis, miosis, anhydrosis

18
Q

catecholamine pathway

A

phenylalanine - tyrosine - L dopamine - dopamine - norepi - epi

spinal anatomy (13 decks)

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