This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Cadaveric spasm -a) Immediate after deathb) After 2 hours of deathc) Affects voluntary musclesd) Affects involuntary muscle 
Select and explain. 
A. ac, B. bc, C. ad, D. b
A: ac
Answer: A: ac 
Explanation: Cadaveric spasm occurs immediately after death and affects voluntary muscles.