Other samplex questions

Question 1

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

Answer 1

B. NMDA

Question 2

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

Answer 2

C. Ca influx

Question 3

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

Answer 3

A. Sweat glands

Question 4

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

Answer 4

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