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: Surgery
Universal (standard) precautions to be observed by surgeons for the prevention of hospital acquire HIV infection include the following except- 
Select and explain. 
A. Wearing gloves and other barrier precaution, B. Washing hands on contamination, C. Handling sharp instruments with care, D. Pre-operative screening of all patients of HIV
D: Pre-operative screening of all patients of HIV
Answer: D: Pre-operative screening of all patients of HIV 
Explanation: Ans. is 'd' i.e., Pre-operative screening of all patient of HIV