Substances vasoactives Flashcards

1
Q

Angiotensine II

A

Vasoconstrictrice

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2
Q

Bradykinine

A

Vasodilatatrice

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3
Q

Dopamine

A

Vasodilatatrice

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4
Q

Prostaglandines

A

Vasodilatatrice

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5
Q

Arginine vasopressine

A

Vasoconstrictrice

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6
Q

Endothélines

A

Vasoconstrictrice

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7
Q

Monoxyde d’axote (NO)

A

Vasodilatatrice

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8
Q

Thromboxane

A

Vasoconstrictrice

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9
Q

Épinéphrine

A

Vasoconstrictrice

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10
Q

Norépinéphrine

A

Vasoconstrictrice

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11
Q

Effet des agents vasoconstricteurs a/n du rein

A

Diminution du débit sanguin rénal

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12
Q

Effet des agents vasodilatateurs a/n du rein

A

Augmentation du débit sanguin rénal

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13
Q

La rupture de l’équilibre entre les substances vasoactives peut produire une IRA, lorsque cette rupture est en faveur d’une…

A

Vasoconstriction

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14
Q

Prostaglandines : action préférentielle à quel niveau?

A

Effet VD sur
afférente > efférente

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15
Q

Angiotensine II : action préférentielle à quel niveau?

A

Effet VC sur
efférente > afférente

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16
Q

La filtration glomérulaire s’abaisse quand la VC l’emporte dans les artérioles

A

AFFÉRENTES
et l’inverse pour efférente