What Happens in a Squid Giant Axon When the Extracellular

Multiple Choice

What happens in a squid giant axon when the extracellular potassium concentration is increased?

A) The membrane potential gets more positive (depolarizes) .
B) The membrane potential gets more negative (hyperpolarizes) .
C) The membrane potential stays about the same.
D) The equilibrium potential for sodium gets more negative.
E) The equilibrium potential for sodium gets more positive.