This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Law & Medicine, Identification, Autopsy & Burn, Subject name: Forensic Medicine
The negligent act of the surgeon amounts to: 
Select and explain. 
A. Contributory negligence, B. Respondent superior, C. Criminal negligence, D. Res ipsa loquitur
D: Res ipsa loquitur
Answer: D: Res ipsa loquitur 
Explanation: Ans. (D). Res ipsa loquiturThe surgeon performing on wrong body part amount to res ipsa loquitur.The thing speaks for itself.The standard of care is implied & need not be proved by the patient.The onus of proof lies on the doctor.