This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste and disaster management, Occupational health, Subject name: Social & Preventive Medicine
Sharp instruments like needles, syringes, scalpels hospital waste products are thrown in - 
Select and explain. 
A. Yellow bag, B. Red bag, C. Blue bag, D. Black bag
C: Blue bag
Answer: C: Blue bag 
Explanation: - wastes sharps including needles, syringes ,blades and glasss comes under category no.4. - category no 4 wastes are discarded in blue colour plastic bag or puncture proof container. Reference: Park's textbook of preventive and social medicine, 23rd edition, pg no: 793,794 <\p>