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Which one of the following depresses brain activity and produced feelings of calmness, relaxation and drowsiness?

1. Morphine
2. Valium
3. Amphetamines
4. Hashish

Correct answer: Valium

Solution

Valium (diazepam) is a benzodiazepine that depresses central nervous system activity, producing calmness, relaxation, and drowsiness. The other options are primarily an opioid, a stimulant, and a cannabis product, respectively.

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