Health Department Medical MCQs NTS Past Papers Operation Theatre Technician (OTT) Surgical Technician Process by which fluids or drugs are injected into a vein is called: March 18, 2025 Admin No Comments A: Injection B: Instillation C: Infusion D: Transfusion Correct Answer: c Short Details: This procedure is also called “Intravenous Therapy or IV Therapy”. View More Details >>