6-12 Autonomic Pharmacology Flashcards

1
Q

ENS motility

A

myenteric / auerbach’s plexus

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2
Q

ENS ion and fluid transport

A

submucosal / meissner’s plexus

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3
Q

only symp innervation

A
hair follicle
thermoregulatory sweat gland
liver 
adrenal gland
kidney
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4
Q

similar rather than opposing effects

A

salivary glands

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5
Q

mydriasis can be caused by both muscarinic antagonism and alpha1 stimulation. what is the difference?

A

muscarinic antagonism displays cycloplegia (parlysis of accomodation)

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6
Q

blood pressure =

equation

A

BP = TPR x CO

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7
Q

CO =

equation

A

HR x SV

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8
Q

explain reflex bradycardia

A

increase TPR by stimulating A1 receptors

–> decrease in HR (to maintain BP)

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9
Q

explain reflex tachycardia

A

decrease in TPR due to lack of stimulation by A1 receptors –> reflex tachycardia to maintain the BP steady

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