elm 2.1 Flashcards

1
Q

amino acids have _____ excitation and ____ inhibition

A

long
local

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2
Q

NMDA receptors are always

A

heteromers

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3
Q

what are some examples of monoamines?

A

noradrenaline
dopamine
5-hydroxytryptamine (serotonin)
histamine

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4
Q

monoamines have a ____ role over multiple brain pathways and circuits

A

modulatory

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5
Q

what are good sites for drug therapy?

A

monoamines

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6
Q

what is involved in sleep, appetite, thermoregulation, pain + mood?

A

serotonin

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7
Q

serotonin is derived from ____

A

dietary tryptophan

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8
Q

the synthesis and breakdown of serotonin has similarities to the ____

A

catecholamines

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9
Q

major serotonergic pathways arise in the _____

A

raphe nuclei

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10
Q

5HT receptors all utilize ______ modification, except 5HT__, which opens a ________

A

g-protein
3
ligand gated cation channel

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11
Q

5HT receptors have significant ______ actions

A

peripheral autonomic

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12
Q

5HT receptors can be found _________ synaptic locations

A

pre
and post

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13
Q

noradrenaline in the CNS and the PNS - is it the same ?

A

synthesis, storage, and release are the same
receptors are the same
targetting CNS transmission is likley to also affect periphery

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14
Q

what kind of brain disorders is dopamine involved in?

A

parkinson’s
schizophrenia
ADHD
drug/substance abuse
endocrine disorders

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15
Q

dopamine is ___ widely distributed than NA

A

less

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16
Q

dopamine has a ____ release

A

synaptic

17
Q

dopamine cells lack dopamine _____

A

beta hydroxylase

18
Q

dopamine is another example of a diffuse _______ transmitter

A

modulatory

19
Q

Gs does what to cAMP?

A

upregulates

20
Q

Gi does what to cAMP?

A

downregulates

21
Q

Chains of swellings along an axon, that form synapses across multiple fibres, are termed:

a.	 spines

b.	 varicosities

c.	 synaptic boutons

d.	 triads
A

b

22
Q

Which of the following subtypes of adrenergic receptor is NOT found in the CNS?

a.	 α1D

b.	 α2C

c.	 β2

d.	 β3
A

d
only in the periphery

23
Q

Which of the following enzymes is not involved in the metabolism or synthesis of serotonin?

a.	 COMT

b.	 DOPA decarboxylase

c.	 Monoamine oxidase

d.	 Tryptophan hydroxylase 2
A

a

24
Q

Yohimbine is an antagonist of

a.	 α1 adrenoceptors

b.	 α2 adrenoceptors

c.	 5HT1 receptors

d.	 5HT2 receptors
A

b

25
Q

Which of the following is a transporter for 5HT?

a.	 DAT

b.	 EAAT

c.	 NET

d.	 SERT
A

d

26
Q

Where is MAO located?

a.	 Cytoplasm

b.	 Cell membrane

c.	 Outer mitochondrial membrane

d.	 Synapse
A

c