CNS Drug List Flashcards

(38 cards)

1
Q

what is the glutamate receptor and what is its mechanism?

A

NMDA and ^ Ca2+, Na2+, K+ conductance

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2
Q

what drugs decrease NMDA release?

A

morphone, heroin, and THC

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3
Q

what drugs decrease NMDA receptor activation

A

PCP

Ethanol

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4
Q

What are the two receptors associated with Acetylcholine?

A

M and N

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5
Q

what is the mechanism of Acetycholine?

A

G-protein linked: ^ IP3, ^ DAG, and decrease K+ conductance

Ion channels: ^ Na+, K+ conductance

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6
Q

what is a direct agonist for acetylcholine, and an antagonist?

A

agonist: donepezil
antagonist: benztroine

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7
Q

what are two inhibitory neurotransmitters?

A

GABA and Dopamine

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8
Q

what are the two GABA receptros, and what is the mechanism of GABA?

A

a and b
ionchannel: ^ CL- conductance
G-protein: ^K+conductance

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9
Q

what decreases the release of GABA?

A

THC, morphine and Heroin

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10
Q

what do these 3 drugs do?
dizapam
phenobartial
ethanol?

A

Increase GABAa receptor activation

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11
Q

what is the receptor and mechanism of Dopamine?

A

D2
Presynatic: G-protein -> decrease Ca+2 conductance
postsynaptic: G-protein -> ^ K+ conducntance and decrease cAMP

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12
Q

what drug increases dopamine synthesis?

A

L-DOPA

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13
Q

what drug increases dopamine release?

A

amphetamine

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14
Q

what drug decreases dopamine reuptake?

A

cocaine

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15
Q

what drug decreases dopamine metabolism?

A

phenelzine and selegiline

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16
Q

what is a D2 agonist?

17
Q

what is a D2 antagonist?

A

haloperiode

olanzapine

18
Q

what is the cause of AD? (alzheimers Disease)

A

loss of cholinergic projection neurons,

19
Q

what is the cause of Parkinsons Dieaseas?

A

loss of nigro-striatal dopamine projection neurons

20
Q

how is dopamine linked to psychosis and schizophrenia?

A

excess dopamine neurotransmission in limbic system

21
Q

name the 3 receptors and linked mechanism to norepinephrine

A

alpha1-> g-protein: ^IP3, ^DAG, ˇK+ conductance
alpha2-> g-protein: ˇcAMP
beta1 -> g-protein:^ cAMP

22
Q

what increases norepinephrine release?

A

amphetamine

tyramine

23
Q

what decreases norepinephrine release?

A

morphine

heroine

24
Q

what decreases norepineprhine reuptake?

A

imipramine

cocaine

25
what decreases the rate of norepinephrine metabolism?
phenelzine
26
what receptors are associated to serotonin and what are their mechanisms?
5HT1a- G-protein: ˇcAMP, ^K+ | 5HT2a- G-proteinL ^IP3, ^DAG, ˇ K+
27
what increases serotonin release?
amphetamine
28
what decreases the reuptake of serotonin?
imipramine fluoxetine cocaine
29
what decreases the metabolism of serotonin?
phenelzine
30
what is a 5-HT2a partial agonist?
LSD
31
what is a 5-HT2A antagonist?
haloperidol | olanzapine
32
what reduced [neurotransmission] is linked to depression?
monoamine
33
what is an mu agonist? And what drug is it linked to?
Opioids | heroin, morphine, methadone
34
what is a my antagonist?
naloxone
35
what receptor is prefered for olanzapine?
5-HT2a>D2
36
what receptor is preferred for haloperidol?
D2> 5-HT2z
37
what does bupropion do?
mechanism not clearly understood, but it weakly inhibits reuptake and stimulates release of NE and dopamine
38
how do methanol and ethanol mix?
methanol competes with ethanol for metabolism. ethanol is used to treat methanol overdose.**