A clinical thermometer is designed specifically to measure human body temperature. Which of the following is true about a clinical thermometer?

Answer: C. It has a kink in the capillary tube just above the bulb.

A clinical thermometer has a range of 35 °C to 42 °C. It has a kink (constriction) just above the bulb that stops the mercury level from falling back on its own, so the reading can be taken after removing it from the mouth.

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