This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Prevention of Surgical Infections, 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. (d) Pre-operative screening of all patients of HIVUniversal precautions:* It refers to practice in medicine of avoiding contact with; patient's bodily fluids, by means of wearing non porous articles such as medical gloves, googles and face shields.* Includes good hygienic habits, such as hand washing and; use of gloves and other barriers, correct handling of needles; and sclapels and aseptic techniques.* Typically practices against blood, Semen, vaginal secretions, synovial fluid, CSF, Pleural fluid and peritoneal fluid and Pericardial fluid.