Adrenoreceptores Flashcards

1
Q

Receptor alfa 1

A
  • proteína Gq

- segundo mensajero IP3

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2
Q

Alfa 2

A
  • Gi

- disminuye AMPC

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3
Q

Beta 1,2,3

A
  • Gs

- aumenta AMPC

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4
Q

D1 y D5

A
  • Gs

- aumenta AMPC

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5
Q

D2,D3,D4

A
  • GI

- disminuye AMPC

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6
Q

Fenilefrina

A
  • Agonista

- Alfa 1

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7
Q

Clonidina

A
  • agonista

- alfa 2

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8
Q

Norepinefrina

A
  • agonista

- alfa 1,alfa 2, beta 1

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9
Q

Epinefrina

A
  • agonista

- alfa 1, alfa 2, beta 1, beta 2

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10
Q

Dobutamina

A
  • agonista

- beta 1

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11
Q

Isoproterenol

A
  • agonista

- beta 1 y beta 2

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12
Q

Albuterol

A
  • agonista

- beta 2

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13
Q

Dopamina

A
  • agonista

- D1, D2

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14
Q

Fenoldopam

A
  • agonista

- D1

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15
Q

Prazosina, terazosina doxazosina

A
  • antagonista

- alfa 1

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16
Q

Fenoxibenzamina

A
  • antagonista

- alfa 1

17
Q

Fentoalmina

A
  • antagonista

- alfa 1 y alfa 2

18
Q

Yohimbina

A
  • antagonista

- alfa 2

19
Q

Labetol y carvedilol

A
  • antagonista

- beta 1 y 2, alfa 1

20
Q

Meteoprolol, antenolol, esmolol, nebivolol

A
  • antagonista

- beta 1

21
Q

Propanolol y nadolol

A
  • antagonista

- beta 1

22
Q

Efectos de alfa 1

A
  • constricción (vasos)
  • bradicardia (corazón)
  • broncoconstricccion (pulmón)
  • retención urinaria (tracto urinario)
  • midriasis (ojo)
  • pieloereccion (piel)
  • disminuye secreción (glándulas salivales)
23
Q

Efectos alfa 2

A
  • disminuye humor acuoso (ojo)
  • disminuye insulina (hígado)
  • inhibe lipolisis (adipocitos)
  • inhibe noradrenalina (neurotransmisores)
  • agregación (plaqueta)
24
Q

Efectos beta 1

A
  • cronotropismo, inotropismo positivo

- aumenta renina (riñon)

25
Q

Efectos Beta 2

A
  • dilatación (vasos)
  • pulmón (broncodilatacion)
  • relajación (GI)
  • relajación (tracto urinario)
  • relajación (utero)
  • aumenta insulina (hígado)
  • disminuye histamína (plaqueta)