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CPR Quick Definitions/Review > Autonomics > Flashcards

Autonomics Flashcards

1
Q

SA Node parasympathetics

A

decrease HR by releasing ACh to mAChR

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2
Q

SA Node sympathetics

A

increase HR by releasing NE to B-1 receptors

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3
Q

AV Node parasympathetics

A

decrease velocity

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4
Q

AV Node sympathetics

A

increase velocity by releasing NE to B-1

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5
Q

Myocytes parasympathetics

A

decease contractility by releasing ACh to mAChR

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6
Q

Myocytes sympathetics

A

increase contractility acting on B-1 receptors

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7
Q

Cerebral vasculature autonomics

A

ONLY SYMPATHETIC, act on a-1 receptors to contract vascular to protect from high BP

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8
Q

Coronary parasympathetics

A

Vasodilation

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9
Q

Coronary sympathetics

A

short lived vasoconstriction on a-1 receptors due to metabolic need

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10
Q

Cutaneous autonomics

A

a-1 receptors for vasoconstriction

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11
Q

skeletal m. parasympathetics

A

dilation of blood vessels

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12
Q

skeletal m. sympathetics

A

a-1 constrict vessels, b-2 dilate vessels

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13
Q

splanchnic vessels

A

ONLY SYMPATHETICS, T5-L2 released on a-1 to cause constriction

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14
Q

Venous Return

A

SYMPATHETICS, a-1 causes constriction to increase venous return, a-2 and b-2 causes relaxation to decrease venous return

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15
Q

Pulmonary vessels parasympathetics

A

NO release to cause vasodilation

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16
Q

Pulmonary vessels sympathetics

A

a-1 to vasoconstrict, b-1 and b-2 to vasodilate

17
Q

Upper Airway Parasympathetics

A

Via CNV and sphenopalatine ganglion, increase secretions and mucus production

18
Q

Upper Airway Sympathetics

A

Via CNVII and cervical ganglia, decrease secretions and mucus production

19
Q

Lower Airway parasympathetics

A

vagus nerve to contract bronchioles and increase mucus production

20
Q

Lower Airway sympathetics

A

T1-T5 on B-2 to cause dilation of bronchioles

21
Q

Kidney Sympathetics

A

a-adrenergics on renal a. and afferent and efferent arterioles cause constriction to decrease urine output

juxtaglomerular uses b-1 receptors to initiate RAA to increase sodium and water reabsorption and increase blood volume

CPR Quick Definitions/Review (4 decks)

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