Answer :
Final answer:
The result of 100.2 degrees Fahrenheit in a patient's medical record refers to their body temperature measurement, a critical diagnostic tool in medicine, taken with a digital thermometer that uses a thermistor.
Explanation:
A 30-year-old patient's medical record showing a temperature (T) of 100.2 degrees Fahrenheit likely refers to the patient's body temperature. In medicine, temperature measurement is crucial for diagnosing conditions such as fever, infection, or inflammation. Variations in normal body temperature, which is often considered to be around 37.0°C (98.6°F), can indicate a medical condition. Digital medical thermometers use a thermistor whose resistance changes with temperature to measure a patient's body temperature accurately. The resistance of the thermistor at the patient's body temperature is a percentage of its normal value at 37.0°C, which corresponds to normal body temperature. Furthermore, the resistance-temperature relationship represented by the coefficient 'a' in the equation given may not remain linear at very low temperatures because resistance cannot become negative, but this is not a concern within the normal physiological range, which extends from about 24°C to 44°C.
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