This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Death and postmortem changes, Subject name: Forensic Medicine
Mirror test is used to 
Select and explain. 
A. Assessment of cessation of respiration, B. Assessment for tremors, C. Assessment for hea function, D. Assessment for brain function
A: Assessment of cessation of respiration
Answer: A: Assessment of cessation of respiration 
Explanation: Cessation of respiration : this should be complete and continuous. Complete stoppage of respiration for more than 5 minutes usually causes death. Respiration may stop for very sho period without causing death. Feather test, mirror test and Winslow's test have only historical impoance. Ref: Dr. NARAYANAN REDDYS TEXTBOOK OF FORENSIC MEDICINE PAGE 144