Layla Has Not Been Interested in Even Her Favorite Activities

question 113

Multiple Choice

Layla has not been interested in even her favorite activities for several weeks. She has trouble sleeping and concentrating. She has also felt very hopeless about the future. Layla may be experiencing _____.

• A) schizophrenia
• B) major depression
• C) social phobia
• D) mania

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Definitions:

Transmitter-Activated Receptor

Protein that has a binding site for a specific neurotransmitter and is embedded in the membrane of a cell.

Membrane Depolarization

The process by which a cell's membrane potential becomes less negative (or more positive), often leading to the initiation of an action potential in neurons.

Hyperpolarization

An increase in a cell's membrane potential, making it more negative and less likely to initiate an action potential.

Degradation

The process of breaking down or decomposing substances into simpler forms, as in the breakdown of proteins into amino acids.