Selected Autonomic Nervous System Responses

 

Sympathetic

Parasympathetic

Cardiac

Increased SA rate (Beta1)

Increased Force of Contraction

Increased AV conduction (Beta2)

Slowed rate

Decreased FOC

Decreased AV conduction

Arteries

Dilated (Beta2)

Dilated

Lungs

Dilated Bronchioles (Beta2)

Mildly constricted blood vessels

Constricted Bronchioles

?? Dilated blood vessels

Eyes

Pupil Dilation

Pupil Constriction

GI track

Decreased secretios

Decreased motility

Increased secretions

Increased motility

 

Adrenergic Receptor Activation

Alpha

Beta 1

Beta 2

Vasoconstriction

Cardioacceleration

Vasodilation

Intestinal relaxation

Increase myocardial

Intestinal relaxation

Pupil dilation

strength

Uterine relaxation

Bladder sphincter contraction

 

Bladder wall relaxation

 

 

Bronchodilation

 

© J.P.Frizzell Ph.D. RN 1997

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