This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Disinfection by autoclaving is NOT recommended for- 
Select and explain. 
A. Sputum, B. Linen, C. Sharp instruments, D. All
C: Sharp instruments
Answer: C: Sharp instruments 
Explanation: Ans. is 'c' i.e., Sharp instruments