When a Neuron Is Stimulated, Tiny Protein Structures on the Cell

question 14

Multiple Choice

When a neuron is stimulated, tiny protein structures on the cell membrane are activated that pump specific ions back and forth, thus changing the overall potential of the neuron. These cell membranes are called _.

• A) neurotransmitters
• B) action potentials
• C) glial cells
• D) ion channels

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Definitions:

Mucous Membrane

A layer of epithelial tissue that lines various cavities in the body and secretes mucous, providing protection and lubrication.

Skin Cancer

The abnormal growth of skin cells, often arising from the outermost layer of skin due to overexposure to ultraviolet (UV) radiation.

Stomach Lining

The mucous membrane layer of the stomach that contains glands producing enzymes and acid for digestion.

Carcinoma

A type of cancer that begins in the skin or in tissues that line or cover internal organs and is characterized by the uncontrolled growth of cells.