Step 1: Understanding Drug Applications
- Equanil is used to control hypertension and anxiety disorders.
- Furacine is an antiseptic used for treating wounds and burns.
- Tegamet (Cimetidine) is an antacid used in treating ulcers and acid reflux.
- Veronal (Barbiturate) is a hypnotic drug used for sleep disorders.
Conclusion
Thus, the correct answer is:
\[
A-IV, B-III, C-II, D-I
\]