Once a Membrane Potential Has Been Developed, the Force That

question 23

Multiple Choice

Once a membrane potential has been developed, the force that drives a particular ion across the membrane is its

• A)electrochemical gradient.
• B)chemical gradient.
• C)electrogenic pump.
• D)electrical gradient.
• E)concentration gradient.

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Definitions:

Anaphylaxis

A serious and potentially fatal allergic response that can quickly develop following exposure to a substance that triggers an allergy.

Anisocytosis

A condition marked by a significant variation in the sizes of cells, particularly red blood cells, often an indicator of various types of anemia.

Leukocytes

White blood cells that are part of the immune system and help the body to fight infection and disease.

Erythrocytes

Red blood cells that carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product, back to the lungs.