Question

Which of the following statement is incorrect about precautions to be observed while using a clinical thermometer?

Thermometer should be washed with an antiseptic solution before and after use.

While taking the reading of the thermometer, we should keep the level of mercury along the line of sight

Mercury level should be below 35 °C before use.

None of the above​

Answer 1

$\huge\gray{\mid{\fbox{\sf{Answer}}}{\mid}}$

$\large\longrightarrow$$\sf{None\:of\:the\:above}$