The Phase at the End of an Action Potential When

question 13

Multiple Choice

The phase at the end of an action potential when the membrane potential becomes more negative than it is at rest is the ________ phase.

• A)threshold
• B)depolarizing
• C)repolarizing
• D)hyperpolarizing
• E)refractory

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Definitions:

Cutaneous Sensory

Refers to the sensory system related to the skin, responsible for detecting temperature, pressure, and pain.

Reflex Responses

Automatic, involuntary responses of the nervous system to stimuli, requiring no conscious input.

Ascending Tracts

Nerve pathways that go upwards in the spinal cord and carry sensory information from the body to the brain.

Descending Tracts

Pathways in the spinal cord that transmit motor commands from the brain to the body, controlling voluntary movements.