Which one of the followng is employed as a tranquillizer drug .

Options

A. Mifepristone
B. Promethazine
C. Valium
D. Naproxen

Answer

To determine which of the following options is employed as a tranquilizer drug, we will analyze each option provided:

1. **Mifrestone**: This medication is primarily used for medical abortion. It does not function as a tranquilizer and is not used to treat anxiety or related disorders.

2. **Pro-Methazine**: This drug belongs to the antihistamine family and is primarily used to treat allergies and motion sickness. It is not classified as a tranquilizer.

3. **Valium (Diazepam)**: This medication is well-known for its use as a tranquilizer. It works on the central nervous system and is effective in reducing anxiety, depression, and other related disorders. It acts as a neurotransmitter in the brain.

4. **Naproxen**: This is a non-steroidal anti-inflammatory drug (NSAID) that is used to relieve pain and inflammation. It does not have tranquilizing properties.

Based on the analysis of the options, the correct answer is **Valium (Diazepam)**, as it is the only drug among the options that is employed as a tranquilizer.