This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMT Q Bank, Subject name: Forensic Medicine
Which cavity should be opened first in the suspicion of hanging? 
Select and explain. 
A. Thorax, B. Head, C. Abdomen, D. Neck
B: Head
Answer: B: Head 
Explanation: * Sequence of opening of cavity is as follows: Cranium > thorax > abdomen > neck. For finding the injuries properly a bloodless field is required. Hence the neck is dissected last. In newborn, first cavity to be opened is abdomen, in order to find level diaphragm. In case of poisoning, in order to perceive smell, the cranial cavity should be opened first.