Putting a penny under your tongue while taking your temperature with a thermometer can alter the temperature reading. The metal of the penny may interfere with the accuracy of the thermometer, leading to an incorrect reading. It is always best to follow the manufacturer's instructions for proper use of the thermometer.
oral temperature oral temperature
Do the old penny trick. put a penny under your tongue ang suck on it for about and hour or so then take your temp that should do it!
To measure temperature of the body.
A thermometer is kept under the tongue to measure core body temperature accurately. The temperature of the mouth closely reflects internal body temperature, making it a common site for temperature measurement.
under the tongue or in the armpit
No air flow & close to core temperature.
Measuring body temperature by keeping thermometer under the tongue is a convenient standardfor measuring one's body temperature. Other places used for keeping the thermometer includethe armpit and the rectum.
A thermometer is kept under the tongue to measure the body's core temperature accurately. The blood vessels under the tongue provide a good reflection of internal body temperature, making it a reliable location for temperature measurement. The mouth is also a convenient and non-invasive site for taking temperature readings.
There are a net of blood vessels close to the surface under the tongue and this gives a true reading of the temperature of the blood (and hence the body).
Put a thermometer under your tongue and close your mouth tightly.
under the tongue, armpit, rectum, ear(with a tempanic thermometer)