CenB: ZSO22C Farmaco van GABAerge en glutamerge neurotransmissie (blad 3 en 4) Flashcards

1
Q

Welke is de belangrijkste exciterende neurotransmitter in het CZS

A

Glutamaat

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2
Q

Antagonisten van NMDA-R

A
  • APV
  • Fencyclidine
  • Ketamine
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3
Q

Functie NMDA-R

A

Leren en geheugen via het long-term potentiation mechanisme

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4
Q

Gevolg overmatige stimulatie van NMDA-R

A

Celdood

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5
Q

functie GABA

A

IPSPs in neuronen bemiddelen

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6
Q

functie GABAa-antagonisten

A

Snelle IPSPs blokkeren

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7
Q

functie GABAb-antagonisten

A

trage IPSPs blokkeren

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8
Q

voorbeelden benzodiazepinen

A
  • Lorazepam
  • Oxazepam
  • Valium
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9
Q

Werking van benzodiazepinen

A
  • Bindt tussen alfa en gamma subunit van GABAa-receptor
  • Verhoogd frequentie van opening Cl-kanaal
  • Verhoogt IPSP
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10
Q

Werking van barbituraten

A

Duur van de opening van het Cl- kanaal verlengen. Kunnen ook bij hoge concentraties Na+ kanalen remmen.

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11
Q

effecten van sedatieve-hypnotica

A
  • Sedatie
  • Angstvermindering
  • Slaapopwekking
  • Anesthesie
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12
Q

barbituraten met anti-convulsieve werking

A

fenobarbital

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13
Q

benzodiazepinen met anti-convulsieve werking

A
  • diazepam
  • clonazepam
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