QUIZ #2

Question 1

According to the Nernst equation, the ion responsible for resting membrane potential is

Answer 1

K (potassium)

Question 2

The inside of the cell membrane at rest is

Answer 2

Negative relative to the outside of a cell membrane at rest

Question 3

Membrane channels whose permeability varies with electric potential across the membrane are

Answer 3

Electrically gated channels

Question 4

Propagation of the local membrane depolarizes along a cell membrane is called

Answer 4

An action potential

Question 5

An action potential causes the membrane potential to

Answer 5

Increase to +40 mV