Aaron Has Been Taking a Mild Amphetamine for the Past

question 39

Multiple Choice

Aaron has been taking a mild amphetamine for the past 4 months to help him cope with being a full-time student while holding down a full-time job. Now that his classes have ended, he wants to stop taking the amphetamine, but each time he tries to skip the medication, he starts sweating and twitching. It appears that Aaron has

• A)developed a drug tolerance for amphetamines.
• B)become amphetamine intolerant.
• C)developed a physical dependence for amphetamines.
• D)habituated to the effects of amphetamines.

---

Definitions:

Microtubules

Cylindrical structures found in the cytoplasm of cells, part of the cytoskeleton, that play roles in cell shape, division, and transport within cells.

Cilia

Microscopic, hair-like structures that extend from the surface of many cells, involved in movement and sensory functions.

Flagella

Long, whip-like appendages that protrude from the cell body of certain cells and are used for locomotion.

Photosynthesis

The process by which green plants, algae, and certain bacteria transform light energy into chemical energy, using carbon dioxide and water to produce glucose and release oxygen.