Answer :
Final answer:
The normal oral temperature range is 97.7 to 99.5 °F, with the correct option being 1) 97.6-99.6 °F.
Explanation:
The normal temperature range for the oral method of measuring body temperature is 97.7 to 99.5 °F. This range is consistent with the normal range for adult body temperature, which fluctuates around the physiological setpoint of 98.6 °F. The correct option from those provided is 1) 97.6-99.6 °F, as it closely aligns with the established normal adult body temperature range.