ANS Flashcards by Brooks Bergman

Q

Activation of alpha 1 causes

A

vasoconstriction

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Q

Activation of A2

A

decrease NE

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Q

Increases heart rate

A

B1

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Q

Relaxes SM

A

B2

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Q

Increases lipolysis

A

B3

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Q

Relaxes bladder ans detrusor

A

B3

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Q

Most vascular SM is innervated by

A

Alpha 1

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Q

No parasympathetic innervation of

A

Vasular SM

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Q

Vasular SM at rest is mediated by

A

alpha adrenoreceptors

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Q

Stimulates Epi

A

B2

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Q

Optometrist gives what to dilate pupils

A

Anti-muscarinic

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Q

Iris radial muscle

A

contract=dilation

SNS receptor=alpha

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Q

M3 (eye)

A

stimulates contraction of iris =miosis

This is why anti muscarinic = pupil dilation

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Q

decreases activity of SA node and contractility

A

M2

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Q

contracts bronchiole smooth muscle

A

M3

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Q

Give for asthma

A

B2 agonist
or
M3 antagonist

Q

Decrease in GI

A

alpha

Q

Increase in GI

A

M3

Q

Contract sphincters

A

Alpha 1

Q

Relax sphincters

A

M3

Q

Increase secretion

A

M3

Q

Decrease secretion

A

A2

Q

Relax the bladder wall and detrusor

A

B3 and B2

Q

Contracts bladder wall and detrusor

A

M3

Q

Bladder -trigone and internal urethral sphincter contraction

A

alpha 1

Q

Relax trigone and internal urethral sphincter

A

M3

Q

Will treat frequent urination

A

B3 agonist