Which is a synthetic stimulant?

Options

A. Cocain
B. Amphetamine
C. LSD
D. Mescaline

Answer

To determine which of the given options is a synthetic stimulant, we can analyze each option step by step.

### Step 1: Understand the Definition of Stimulants
Stimulants are drugs that enhance the activity of the central nervous system (CNS). They increase body metabolism and energy levels, leading to heightened alertness and activity.

**Hint:** Remember that stimulants are characterized by their ability to increase CNS activity.

### Step 2: Analyze Each Option
1. **Cocaine**:
- Cocaine is derived from the coca plant (Erythroxylum coca). Since it is obtained from a natural source, it is not synthetic.
- **Conclusion**: Incorrect option.

2. **Amphetamines**:
- Amphetamines are synthetic chemicals created in laboratories. They do not have a natural plant source and are specifically designed to stimulate the CNS.
- **Conclusion**: Correct option.

3. **LSD (Lysergic Acid Diethylamide)**:
- LSD is derived from ergot, a fungus that infects rye plants. Since it comes from a natural source, it is not synthetic.
- **Conclusion**: Incorrect option.

4. **Mescaline**:
- Mescaline is obtained from various species of cacti. Like LSD, it is derived from a natural source and is not synthetic.
- **Conclusion**: Incorrect option.

### Step 3: Final Conclusion
After analyzing all the options, we find that the only synthetic stimulant among the options provided is **Amphetamines**.

**Final Answer**: **Amphetamines** are the synthetic stimulant.

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