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You must hold your mouth closed and keep the thermometer in place for a certain period of time. If you have a digital thermometer, it will tell you when it's "done". If you are using an old "Mercury thermometer", the thermometer must stay under the tongue for at least a minute to 2 minutes.

NOTE: Mercury thermometers are being phased out. The mercury inside is highly toxic and you should dispose of all mercury thermometers by taking them to a recycling center that handles that. DO NOT THROW IT IN THE TRASH. Mercury is poisonous to every living thing.


UPDATE: GERATHERM offers MERCURY FREE thermometers that work the same as the mercury ones. They are supposed to be safe.
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Wiki User

14y ago
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Wiki User

8y ago

Modern electronic thermometers only need a few seconds; check the instrument's instruction manual because different models may vary.

Old-style mercury thermometers should remain in the mouth for about 3 minutes.

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Wiki User

15y ago

For analog thermometers, one complete minute will do.

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10y ago

3 Minutes for a mercury thermometer. For a digital thermometer, until it beeps and the readout stops changing.

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11y ago

Untill the thermometer beeps, then you take it out

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Wiki User

15y ago

at least 2 minutes, but no longer than 5

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Wiki User

13y ago

3 minutes

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Anonymous

Lvl 1
4y ago

how long should you keep the thermometer under your tongue

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Anonymous

Lvl 1
3y ago

Eight minutes

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Anonymous

Lvl 1
3y ago

5 minutes

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Q: How long should you keep the thermometer under your tongue?
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Why do you keep thermometer under the tongue?

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.


Why do you keep a thermometer under the tongue?

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.


Why do the doctors keep the thermometer under the tongue?

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).


Why the thremometer is keep under the tongue?

It means you put the the thermometer under the tonge so it can take you tempoture or if you don't like putting it under your tongue put it up your butt like they do with babies


Why clinical thermometer is placed under tongue or armpit?

so that the air from breathing does not pass over it and cool it thereby giving an incorrect readingTo give a true reading of inner body heat.Because the intense heat of our body is present under our tongue so that we can measure our whole body temperature .The underside of the tongue has the most bloodflow and is more accurate than any part of the mouth


Big balls under your tongue?

Pull them out and tell him to keep them in his pants!


My tongue piercing is a little crooked and it doesnt hurt worse then it should Should I just keep it or get it redone?

very rarely are the tongue piercings straight. if its not infected, keep it


How do you use the clinical theamometer?

1.shake the thermometer vigorously so that the murcery goes below the normal mark 2.keep the rhermometer either in the armpit or under the tongue of the person whose temperature is to be taken 3.wait for 2 minutes 4.take out the thermometer and read the mark where the silver mark of mercury ends


What can you do to keep your tongue piercing on without one of the little balls?

If you're missing one of the balls, put the ring in so that the only ball is under your tongue. This will keep it from being pushed out.


Why do you keep angicid tablet beneath your tongue?

The Angicid tablet is cardiac vasodilator it means that it widens the blood vessels. In case of Severe heart problem keeping it under your tongue widens the vessels. You should keep it beneath your tongue because there is a rich supply of capillaries beneath your tongue so it is absorbed fastly in your blood stream. If you use the other route i.e. the oral intake it will be a greatly time consuming because the tablet will have to go to your stomach first and than to your liver and lastly into your blood this makes the bioavailability of the drug less. stream so it is a better process to keep it under your tongue.


How does a thermometer keep your home at a constant temperature?

It doesn't A thermometer doesn't keep your home at a certain temp. a thermometer tells the temp. of a place.


If tre flip turns in to a viral flip what should you do?

keep your tongue, you idiot.