UA9 Flashcards

(16 cards)

1
Q

dans quelle subs des muqueuses retrouve-t-on des antibiotique naturels (Defensines)? quelle est l’Exception?

A

mucus

**sauf dans voies uinaires (urine est sterile)

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2
Q

keske les emulsions imite de la peau?

A

sueur (hyrdophile) + sebum (hydrophobe)

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3
Q

dans quelle couche de la peau on retrouve reseau sang et lymph?

A

derme

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4
Q

donne 2 facons qu’une forme semi solide peut etre multiphase

A
  • aqueux + hydrophobe = emulsions
  • liquide + solides
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5
Q

creme ou onguent? pour que le PA penetre plus dans la peau

A

onguent

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6
Q

creme ou onguent? pour effet assechant

A

creme

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7
Q

creme ou onguent? pour traiter conditions chroniques

A

onguents

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8
Q

hydro ou lipophile? pour effet émolient

A

lipophile (ex: oleogels)

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9
Q

creme ou onguent? pour peau épaisse

A

onguent (deeper penetration)

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10
Q

vrai ou f, pH du vagin est acide

A

vrai, 3,8-4,2

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11
Q

comment se compare la vitesse de dissolution entre un PA hydrophobe et hydrophile

A

hydrophile faster

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12
Q

comment se compare la vitesse de dissolution/fusion entre des bases hydrophiles/hydrophobes

A

same

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13
Q

quelles interactions arrivent quand base et pa sont both hydrophobes?

A

retention du PA dans base, dissolution LENTE

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14
Q

quelles interactions arrivent quand base hydrophile et pa hydrophobe?

A
  • pas de retention
  • mais dissolution modérée (pa hydrophobe)
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15
Q

quelles interactions arrivent quand base et pa hydrophiles?

A
  • pas retention
    -dissolution rapide!
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16
Q

v ou f, on dit que pour les ovules les bases sont generalement hydrophiles