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
Heat stiffening in muscles occurs above temperature (degC) 
Select and explain. 
A. 30, B. 40, C. 50, D. 60
D: 60
Answer: D: 60 
Explanation: D i.e. 60degC Heat stiffening or heat coagulation is found in bodies exposed to heat ie temperatures above 65degC (Reddy) / 70degC (Parikh) as is seen in death due to burning, high voltage electrocution (electric shock), or falling into hot liquid.