Physiology

at a Glance

Jeremy P. T. Ward, Roger W. A. Linden

Multiple Choice: Chapter 5 Biological electricity

Question 5.1 If the extracellular potassium concentration rises from 4 mmol/L− to 5 mmol/ L, what happens to the resting membrane potential?

A it becomes more negative
B it becomes less negative
C it remains the same
D it initiates an action potential