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Foundations > Physiology > Flashcards

Physiology Flashcards

1
Q

What sounds can be heard from a normal heart, and what do they represent?

A

The first sound (‘lub’) represents the closing of the atrioventricular valve. The second sound (‘dub’) is the closing of the semilunar valve.

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2
Q

What is the mechanism of nicotine?

A

Agonist for nicotinic receptors

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3
Q

What is the mechanism of caffeine?

A

Antagonist for adenosine receptor, inhibits phosphodiesterase

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Foundations (8 decks)

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