What Is Meant by the Term "Concentration Gradient" with Respect

question 178

Multiple Choice

What is meant by the term "concentration gradient" with respect to neurons?

• A) Sodium is more concentrated in the dendrites and potassium in the axon.
• B) Negative charges are more concentrated outside the cell.
• C) Sodium and potassium ions are more concentrated on opposite sides of the membrane.
• D) Potassium is more concentrated in the dendrites and sodium in the axon.

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Definitions:

Regulate Body Temperature

The physiological process by which an organism maintains its internal temperature within a certain range, despite external temperature changes.

Glomus

A peripheral chemoreceptor that is primarily involved in regulating respiratory activity in response to changes in blood gases.

Metarteriole

One of the small peripheral blood vessels that contain scattered groups of smooth muscle fibers in their walls; located between the arterioles and the true capillaries.

Nutrients

Substances obtained from food that are essential for growth, metabolism, and overall health.