A young drug addict used to show symptoms of depressed brain activity, feeling of calmness, relaxation and drowsiness. Possibly he was taking:

Options

A. Amphetamine
B. Marijunana
C. Pethidine
D. Valium

Answer

To solve the question regarding the symptoms exhibited by a young drug addict, we need to analyze the options provided and match them with the symptoms described: depressed brain activity, feeling of calmness, relaxation, and drowsiness.

### Step-by-Step Solution:

1. **Identify the Symptoms**: The symptoms mentioned are:
- Depressed brain activity
- Feeling of calmness
- Relaxation
- Drowsiness

2. **Evaluate the Options**: We need to evaluate each drug option to see which one aligns with these symptoms.

3. **Amphetamine**:
- **Classification**: Stimulant
- **Effects**: Increases alertness, wakefulness, and activity; produces excitement.
- **Conclusion**: Does not match the symptoms (it stimulates rather than depresses brain activity).

4. **Marijuana**:
- **Classification**: Hallucinogen
- **Effects**: Alters thoughts, feelings, and perceptions; can cause hallucinations.
- **Conclusion**: Does not match the symptoms (it alters perception rather than inducing calmness and relaxation).

5. **Pathogen (Opiate Narcotics)**:
- **Classification**: Opiate narcotics
- **Effects**: Suppresses brain function, relieves pain, and can produce euphoria.
- **Conclusion**: While it suppresses brain function, it does not specifically induce calmness and relaxation as described.

6. **Valium**:
- **Classification**: Sedative/Tranquilizer
- **Effects**: Depresses brain activity, induces calmness, relaxation, drowsiness, and deep sleep.
- **Conclusion**: Matches all the symptoms described (depressed brain activity, calmness, relaxation, and drowsiness).

7. **Final Answer**: Based on the analysis, the young drug addict was likely taking **Valium**.