Question

Which of the following is not a valid precaution for using the clinical thermometer?

• A. The reading should be initially below 35 deg C.
• B. Carefully hold the bulb while taking the reading.
• C. Proper line of sight for mercury to be maintained while taking reading.
• D. Should be washed before and after use.

Answer 1

The correct option is B Carefully hold the bulb while taking the reading.

Option - C is not a valid precaution, because we should not touch the bulb while taking the reading.