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DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 1 A clinical thermometer is used to measure the body temperature of human beings. It consists of a long, narrow, uniform glass tube. It has a bulb at one end. The bulb contains mercury. This thermometer read temperatures from \[35{}^\circ C\] to\[42{}^\circ C\]. Which of the following precautions should be used while using a clinical thermometer?

A) It should be washed before use.

B) It should be washed after use.

C) It should be washed preferably with some antiseptic.

D) All the above.