When the Neuron Is at Rest, What Is Responsible for Moving

question 42

Multiple Choice

When the neuron is at rest, what is responsible for moving potassium ions OUT of the cell?

• A) a concentration gradient
• B) an electrical gradient
• C) both a concentration gradient and an electrical gradient
• D) the sodium-potassium pump

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Definitions:

Papillae

Small, nipple-like structures on the tongue where taste buds are located, responsible for the perception of taste.

Taste Buds

Sensory organs located on the tongue that allow for the perception of taste.

Tympanic Membrane

Also known as the eardrum, it is a thin membrane that vibrates in response to sound waves and is crucial for hearing.

Eardrum

The thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves, aiding in hearing.