Author Question: Which of the following ion channel events will produce an EPSP? A) opening a sodium channel B) ... (Read 83 times)

Collmarie · **on:** Jun 22, 2018

Which of the following ion channel events will produce an EPSP?

A) opening a sodium channel
B) closing a sodium channel
C) opening a potassium channel
D) opening a manganese channel
E) closing a calcium channel

Question 2

The process which terminates the postsynaptic potentials induced by most neurotransmitters is

A) disruption of the postsynaptic receptor.
B) enzymatic degradation of the transmitter molecule.
C) inhibition of transmitter synthesis.
D) facilitation of transmitter release.
E) reuptake of the molecule into the axon terminal.

jgranad15 · **Reply #1 on:** Jun 22, 2018

Answer to Question 1

Answer: A

Answer to Question 2

Answer: E
Rationale: The process which terminates the postsynaptic potentials induced by most neurotransmitters reuptake of the molecule into the axon terminal.