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Lesson 2: Temperature
Section II: Thermometers
2-9
2-9. WILL A TEMPERATURE GO DOWN BEFORE IT IS READ?
Glass thermometers are designed so that the temperature reading will not go down (decrease) when the thermometer is removed from the patient. The temperature reading will remain unchanged unless the bulb end of the thermometer comes in contact with something hotter than the temperature reading shown on the thermometer or the thermometer is shaken down. "Shaking down" is the term given to the method of forcing mercury from the stem back into the bulb.
