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Physiology > Lab exam unit 3 > Flashcards

Lab exam unit 3 Flashcards

1
Q

Chemicals that alter contractility of cardiac muscle are called

A

inotropic agents

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2
Q

Cold water effect on frog heart

A

decreased heart rate

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3
Q

hot water effect on frog heart

A

increase heart rate

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4
Q

Digitalis effect on heart

A

stronger/slower. Increase force, decrease rate

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5
Q

Pilocarpine effect on heart

A

slowed down heart, increase force

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6
Q

Atrophine effect on heart

A

Slow down heart, blocks ACh muscarinic receptor on heart

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7
Q

Epinephrine effect on heart

A

Increase force rate

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8
Q

Caffeine effect on heart

A

Increase force rate

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9
Q

Ach effect on heart

A

decrease heart rate

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10
Q

Nicotine effect on heart

A

decrease heart rate, increase force

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11
Q

Nicotine on ganglion

A

increase heart rate (stimulant)

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12
Q

KCl effect on heart

A

very fast, heart hyper excitable.

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Physiology (6 decks)

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