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: Surgery
A Jawan posted in Siachen was brought to the emergency depament with hypothermia. Which is the ideal site to measure his temperature? 
Select and explain. 
A. Oral, B. Rectal, C. Tympanic membrane, D. Armpit
B: Rectal
Answer: B: Rectal 
Explanation: Answer- B. Rectal* Normal body core temperature ranges from about 98 F to 100 F (36.6 C to 37.7 C); core temperature is best measured by a rectal thermometer.