An Increase in Extracellular Potassium Ion from 4

question 8

Multiple Choice

An increase in extracellular potassium ion from 4.0 to 6.0 mEq/L would

• A) hyperpolarize the resting membrane potential.
• B) make it more difficult to reach threshold and produce an action potential.
• C) hypopolarize the resting membrane potential.
• D) alter the threshold potential.