This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
Which of the following is not a feature of Heat stress 
Select and explain. 
A. Hyperpyrexia, B. Syncope, C. Cramps, D. Numbness
D: Numbness
Answer: D: Numbness 
Explanation: Effect of Heat stress Heat stroke: Body temperature >110degF, Delirium, Convulsions, Absence of sweating Heat hyperpyrexia Heat exhaustion Heat cramps Heat syncope Ref : Park 25th edition Pgno : 784