Paco Has Come to Depend on Heroin to Be Able

question 44

Multiple Choice

Paco has come to depend on heroin to be able to function normally.A few weeks ago, he attempted to cut himself off, but he experienced severe diarrhea.Paco's case illustrates which of the following concepts?

• A)drug overdose
• B)withdrawal symptom
• C)drug tolerance
• D)psychological dependence

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Definitions:

Propanoic Acid

A colorless, oily liquid with a pungent odor, used in the manufacture of various chemicals, including as a preservative.

Osmosis

The movement of water molecules through a semi-permeable membrane from a region of low solute concentration to a region of high solute concentration to equalize the concentrations on both sides of the membrane.

Semipermeable Membrane

A type of membrane that allows certain molecules or ions to pass through it by diffusion and occasionally specialized "facilitated diffusion," while blocking others.

Diffusion

The process by which molecules move from an area of higher concentration to an area of lower concentration, driven by thermal energy.