MATCHING Indicate the Direction That the Force in Question Tends to to Move

Multiple Choice

MATCHING
Indicate the direction that the force in question tends to move the involved ion under the stated conditions by writing the appropriate letter in the blank, using the following answer code:
-concentration gradient for Na⁺ at the end of an action potential

A) This force tends to move the involved ion out of the cell.
B) This force tends to move the involved ion into the cell.