This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Injuries, Subject name: Forensic Medicine
What disappears first in post mortem rigidity- 
Select and explain. 
A. Eyelids, B. Neck, C. Lower limbs, D. Upper limbs
A: Eyelids
Answer: A: Eyelids 
Explanation: Ans. is 'a' i.e. Eyelids Post mortem rigidity generally passes off in the same order in which it occurred.Sequence in which Rigor mortis or post mortem rigidity affects the musclesFirst involuntary muscles, then voluntary musclesFirst involuntary muscle is the heart*Sequence in voluntary muscles*Muscles of eye-lids*Muscles of face*, neck and trunkMuscles of upper extremityMuscles of lower extremityLast to be affected are small muscles of the fingers and toes*.