Asked by christie xiong on May 18, 2024
Verified
A change in the resting membrane potential has the following characteristics: non-propagated, graded, can summate. This type of change can
A) be a local potential.
B) be an action potential.
C) be a consequence of an increase in the permeability to Na+.
D) result in repolarization.
E) be a local potential and a consequence of an increase in the permeability to Na+.
Resting Membrane Potential
The electrical charge difference across the cell membrane when the cell is not actively transmitting signals, typically around -70mV for neurons.
Local Potential
Depolarization that is not propagated and that is graded or proportional to the strength of the stimulus.
Summate
To add together or accumulate to a total; in physiology, refers to the additive effect of repeated stimuli on a nerve or muscle.
- Explain the mechanisms of action potentials and local potentials.
Verified Answer
Learning Objectives
- Explain the mechanisms of action potentials and local potentials.
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