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Question


Clinical thermometers are always ______.


Options:
A .   mercury based only
B .   digital only
C .   either mercury based or digital
D .   coloured alcohol based
Answer: Option C
:
C

Clinical thermometers are small medical thermometers used for measuring a person's temperature. Mercury-based clinical thermometers have been considered the most accurate liquid-filled thermometer type. However, Mercury is a poisonous metal. Therefore a safer and an accurate alternative option, is to use digital clinical thermometers. Thus, both mercury and digital clinical thermometers are used. 



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