Which one of the following depresses brain activity and produces feelings of calmness and relaxation?

Options

A. morphine
B. Valium
C. amphetamines
D. hashish

Answer

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks which substance depresses brain activity and induces feelings of calmness and relaxation.

2. **Identify the Options**: The options given are morphine, valium, amphetamine, and hashish.

3. **Analyze Each Option**:
- **Morphine**: This is an opioid that can relieve pain but does not primarily induce calmness and relaxation; it can also lead to addiction.
- **Valium**: This is a benzodiazepine medication commonly used to treat anxiety, muscle spasms, and alcohol withdrawal. It is known to depress the central nervous system, leading to feelings of calmness and relaxation.
- **Amphetamine**: This is a stimulant that increases brain activity and alertness, which is the opposite of what the question is asking.
- **Hashish**: This is a form of cannabis that can produce relaxation but is not primarily used in a medical context for this purpose.

4. **Determine the Correct Answer**: Among the options, Valium is specifically known for its calming effects and its ability to depress brain activity, making it the correct choice.

5. **Conclusion**: The correct answer to the question is **Valium**.

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