Step 1: Concept
Different dosage forms are defined by their physical state, route of administration, and vehicle.
Step 2: Meaning
A. Liniments (III) are fluid/semi-fluid preparations for skin application. B. Pessaries (II) are solid medicated preparations for vaginal use. C. Vitrellae (IV) are thin-walled glass capsules with volatile ingredients. D. Oxymel (I) uses a vehicle of acid (acetic acid) and honey.
Step 3: Analysis
Matching based on definitions: A-III, B-II, C-IV, D-I.
Step 4: Conclusion
The sequence A-III, B-II, C-IV, D-I correctly identifies each dosage form.
Final Answer: (C)