Question

There is constriction in the clinical thermometer, why?

Answer 1

Answer:

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Explanation:

The constriction in the thermometer is to prevent the mercury from dropping back to the bulb when the reading is being taken. It is easier for us to take reading. It prevents the thermometric substance (Mercury or Alcohol) from running back into the bulb.

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Answer 2

Answer:

to control the fluid from going backwards and allow us to read the temperature easily

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