Which of the Following Best Explains How the Phenomenon of "Tolerance

question 50

Multiple Choice

Which of the following best explains how the phenomenon of "tolerance" develops with use of psychoactive drugs over time?

• A)Psychoactive drugs can alter blood flow to the brain.
• B)Psychoactive drugs often produce euphoria.
• C)Psychoactive drugs can cross the blood-brain barrier.
• D)Psychoactive drugs can inhibit production of endogenous neurotransmitters.
• E)Psychoactive drugs can up-regulate receptors for endogenous neurotransmitters.

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Definitions:

Phytosterol Compounds

Naturally occurring compounds found in plant cell membranes that resemble cholesterol structurally and function in lowering LDL cholesterol in humans.

Male Testosterone

A steroid hormone in males that develops and maintains male characteristics and sexual features.

Stretching

A form of physical exercise aimed at improving flexibility and muscle elasticity by extending muscles beyond their normal length.

Prevent Injury

The action or practice of taking measures to avoid or reduce the risk of harm or damage to the body.