Multiple Choice
Repolarization during the refractory period is largely due to the:
A) opening of non-voltage-gated K⁺ channels.
B) opening of voltage-gated K⁺ channels.
C) opening of voltage-gated Na⁺ channels.
D) action of the Na⁺/K⁺ pump.
Correct Answer:

Verified
Correct Answer:
Verified
Q4: During the development of specialized postsynaptic structures
Q5: How are most voltage-gated channels inactivated?<br>A)by ligand
Q6: Signaling at synapses is usually terminated by:<br>A)calcium
Q7: Neurotransmitters are stored in:<br>A)the cell body.<br>B)the dendrite.<br>C)the
Q8: Reception of taste causes:<br>A)an action potential that
Q10: How does opening and closing of voltage-gated
Q11: Evidence that synaptotagmin is the Ca²⁺ sensor
Q12: Touch receptors are:<br>A)non-gated cation channels.<br>B)gated cation channels.<br>C)calcium
Q13: Action potentials are propagated in only one
Q14: What starts an action potential in a