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hurtado - Critical Care > cardiac drugs: general > Flashcards

cardiac drugs: general Flashcards

1
Q

movement of ions across cell membrane leads to ___

A

depolarization

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2
Q

depolarization of cardiac muscle cells causes

A

contraction

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3
Q

waves of depolarization always begin at the ___ node

A

SA

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4
Q

SNS causes (vasoconstriction/vasodilation)

A

vasoconstriction

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5
Q

PNS (decreases/increases) HR

A

decreases

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6
Q

these decrease the volume of blood the heart has to pump

A

diuretics

- Increase urine formation to promote water loss from the body

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hurtado - Critical Care (41 decks)

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