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What precautions should be taken while using a laboratory thermometer?
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Why does the mercury not fall or rise in a clinical thermometer when taken out of the mouth?
Mercury does not fall or rise in a clinical thermometer when taken out from the mouth because of the KINK present in it.
Why care must be taken when disposing of a mercury-in-glass thermometer?
Well i'm not that old but i know a few:1)The thermometer will be of two types; a) Clinical Thermometer b) Laboratory Thermometer;a) The Clinical Thermometer: used to measure the temperature of the human body, at home, clinics and hospitals.b) The Laboratory Thermometer: used to measure the temperature in school and other laboratories for scientific research.Precautions:Wash the thermometer before and after use with an antiseptic solution, and handle it with care.See that the mercury levels are below the kink and don't hold the thermometer near its bulb.While noting down the reading in the thermometer, place the mercury level along the eye sight.Do not place the Clinical thermometer in a hot flame or in the hot sun.Note:The Clinical Thermometer should go above 108*F (42*C) and below 94*F (35*C) otherwise it might blow off the top and leak. Therefore, a Clinical Thermometer is used to measure the body temperature.
What is advantages and disadvantages of clinical thermometer?
Clinical thermometers, also known as medical thermometers, are used for measuring human body temperature. They have kinks at one end which prevent the fluid from flowing back before the readings have been taken. They offer accurate and easy-to-read recordings, in addition they are easy to clean, to carry around and to store.
Why lab thermometer do not have kink?
the temparature of the liquid must be read while the thermometer is in the liquid.since the level of mercury drops as soon as the thermometer is taken out of the liquid ,therefore no need of the kink in thermometer.
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