Jana Has Been Diagnosed with Substance Abuse

question 1

Multiple Choice

Jana has been diagnosed with substance abuse. Lyle has been diagnosed with substance dependence. According to the DSM-5, both of them must show ____.

• A) withdrawal symptoms when the drug is not in the body
• B) symptoms over a twelve-month period
• C) another mental disorder such as depression or mania
• D) tolerance to the drug's effects

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Definitions:

Lipid Bilayer

A double-layered structure formed by lipids that constitutes the main component of all cell membranes, providing barrier and structural integrity to cells.

Hydrophobic Portions

Regions of a molecule that are repelled by water and tend to be nonpolar, often found in lipids and proteins.

Peripheral Membrane Proteins

Proteins that are attached either temporarily or permanently to the outer or inner surface of the cellular membrane, often involved in signaling or structural roles.

Integral Proteins

Proteins that are permanently attached to or span the membrane of cells, playing crucial roles in transport and signaling.