If a Membrane Potential Changes from -70mV to -75mV

question 33

Multiple Choice

 If a membrane potential changes from -70mV to -75mV,

• A) hyperpolarization has occurred.
• B) depolarization has occurred.
• C) an action potential has been triggered.
• D) saltatory conduction has occurred.

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Definitions:

Brainstem

The part of the brain that connects the cerebral cortex with the spinal cord, responsible for controlling basic life functions such as breathing, heart rate, and blood pressure.

Survival Functions

The biological processes or behaviors that help living organisms to stay alive, including responses to environmental pressures and threats.

Heartbeat

The rhythmic contraction and expansion of the heart, pumping blood throughout the body, essential for circulatory system function.

Magnetic Fields

Invisible fields generated by electric charges in motion, affecting the behavior of charged objects in the vicinity.