Other samplex questions Flashcards

1
Q
Which receptor needs Mg removal for activation?*
A. AMPA
B. NMDA
C. Na-Ca exchanger
D. Voltage-gated Ca channel
A

B. NMDA

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2
Q
Neurotransmitter release depends on*
A. Na efflux
B. K influx
C. Ca influx
D. Cl- influx
A

C. Ca influx

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3
Q
Norepinephrine is the neurotransmitter for postganglionic sympathetic neurons EXCEPT in which structure?*
A. Sweat glands
B. Heart
C. Pupils
D. GI tract
E. Blood vessels
A

A. Sweat glands

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4
Q

True of neurotransmitters in the ANS EXCEPT
A. All pre- and post-ganglionic neurons use norepinephrine
B. All preganglionic neurons utilize acetylcholine
C. Postganglionic parasympathetic neurons utilize acetylcholine
D. Postganglionic sympathetic neurons mostly utilize norepinephrine except in the sweat glands

A

A. All pre- and post-ganglionic neurons use norepinephrine

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