Question

Avinash measures his body temperature using a clinical thermometer. Choose the correct statement by looking at the given reading.

• A. He is suffering from fever as his body temperature is 37 ${}^{o}C$.
  
• B. He is suffering from fever as his body temperature is 38.2 ${}^{o}C$.
  
• C. He is not suffering from fever as his body temperature is 38.4 ${}^{o}C$.
  
• D. He is suffering from fever as his body temperature is 39.8 ${}^{o}C$.
  

Answer 1

The correct option is B He is suffering from fever as his body temperature is 38.2 ${}^{o}C$.


From the given reading, it is clear that the mercury level rises to a temperature between 38℃ and 39℃
There is a 1℃ gap between them and the total number of divisions between them is 10.
Then one small division will read = 1/10 = 0.1 ℃.
Here, the mercury level is at 2nd division after 38℃ .
So, the reading of the given lab thermometer is (38 + 2 x 0.1) ℃ = 38.2 ℃.
Also, the normal human body temperature is 37℃.
Therefore Avinash is suffering from fever as his body temperature is 38.2 ${}^{o}C$