Author Question: Tetrodotoxin from puffer fish interferes with the formation of action potentials by blocking a. ... (Read 82 times)

Bernana · **on:** Jun 21, 2018

Tetrodotoxin from puffer fish interferes with the formation of action potentials by blocking

a. voltage-dependent sodium channels.
b. voltage-dependent potassium channels.
c. ligand-gated sodium channels.
d. ligand-gated potassium channels.

Question 2

The hyperpolarization observed following an action potential is the result of

a. potassium continuing to leave the cell.
b. chloride continuing to enter the cell.
c. sodium continuing to enter the cell.
d. potassium returned to the cell by the sodium-potassium pumps.