H du CS Flashcards

QCM

1
Q

PROPORTION DES HORMONES DU CS

A
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2
Q

lieu et phenomene de degradation d’ALDO

A
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3
Q

lieu et phenomene de degradation du cortisol

A
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4
Q

lieu et phenomene de degradation des androgenes

A
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5
Q

effet ACTH (2)

A

effet trophique sur CS
st tous les etapes de synthese de cortisol

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6
Q

stimulus de secretion de ACTH

A
  • ADH/Ag2/Cathecholamines
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6
Q

stimulus de secretion de CRH
inhibition de secretion de CRH

A
  • ADH/Ag2/Cathecholamines /stress
    *Cortisol
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7
Q

effet du cortisol physio sur
* metabolisme glucidique

A
  • aug glycemie / +glycogenegenes
  • dimun Rcep d’insuline
  • dimun GLUT
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8
Q

effet du cortisol physio sur
* metabolisme LIPID
* stockage de graisse ou’;

A

aug lipolyse // + synthese des lipopro
* nuque(cou) + abdomen + face

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9
Q

effet du cortisol physio sur
* metabolisme pro

A

foie ; + anabolisme
muscle , Vx , TC , peau ; + catabolisme
—> vergetures pourpres (“Vx”)
—> fente musculaire

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10
Q

effet du cortisol supra sur
* croissance

A
  • croissancz
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11
Q

effet du cortisol supra physio sur
* metabolisme glucides

A

+ glycogenolyse

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12
Q

cortisol n’agit que à dose supra que sur (5);

A
  • sys cardio-vx
    *metabolisme hydro-mineral( +FAN // -ADH)
    *metab phospho-calcique
    *inflammation (- de tous ces etapes)
    *immunité (“ supprission”)
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13
Q

les stimulus de phenomes d’echappement à ALDO (4);

A
  • SNsympath
    +FAN
    augmen [NaCL]u
    augmPPR
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14
Q

Aldo stimule reab de Na+ dans
Ag2 stimule reab de Na+ dans

A
  • ALdo + canal a amilioride dans TCD
    *Ag2 + antiport Na+/H+ dans TCP

Rq ; Aldo n’agit que sur portion terminal du nephron

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15
Q

effet de Ag2 sur
FF
P oncotique du cap peritubulaire

A

les 2 augmentent car il ya un vasoconstr au niveau de l’a.aff et l’a.eff

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15
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