Step 1: Concept
The Pharmacy and Therapeutic Committee (PTC) is an advisory group of medical and pharmacy staff in a hospital.
Step 2: Meaning
Their primary function is to ensure the safe and effective use of drugs within the institution.
Step 3: Analysis
Management, billing, and personnel are administrative tasks. The PTC focuses on clinical drug safety, which includes developing the hospital formulary and monitoring Adverse Drug Reactions (ADRs).
Step 4: Conclusion
Monitoring ADRs is a core clinical responsibility of the PTC to improve patient safety.
Final Answer: (C)