What precautions should you take while reading a clinical thermometer?

CBSE Class 7 CBSE Class 7 Science
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What precautions should you take while reading a clinical thermometer?

Answer;

  1. The reading should be taken by keeping the level of mercury along the line of sight.
  2. Before use, the mercury level should be below 35°C.
  3. Wash the thermometer with water or an antiseptic solution before and after use.
  4. Never hold the thermometer by the bulb while reading it.
  5. Handle the thermometer with care, it can break if hit against hard object.