Question

why the metel in thermometer not returning back after measuring temperature of a patient { 1 marks}
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Answer 1

Answer:

One of the most common devices for measuring temperature is the glass thermometer. This consists of a glass tube filled with mercury or some other liquid, which acts as the working fluid. Temperature increase causes the fluid to expand, so the temperature can be determined by measuring the volume of the fluid.

Explanation:

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Answer 2

Explanation:

It lacked an accurate scale with which to measure temperature and could be ... Oral temperature may only be taken from a patient who is capable of holding the ... They consist of a pair of dissimilar metal wires joined at one end.

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