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Clinical Thermometer

A clinical thermometer is a device used to measure body temperature, consisting of a glass tube with a mercury bulb that expands when in contact with heat. It features a capillary tube, scale, and kink to prevent mercury from falling. Precautions include sterilization, ensuring the mercury level is below 35°C before use, and careful handling to avoid breakage.

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494 views2 pages

Clinical Thermometer

A clinical thermometer is a device used to measure body temperature, consisting of a glass tube with a mercury bulb that expands when in contact with heat. It features a capillary tube, scale, and kink to prevent mercury from falling. Precautions include sterilization, ensuring the mercury level is below 35°C before use, and careful handling to avoid breakage.

Uploaded by

Syed Ahad.19
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Clinical Thermometer

A clinical thermometer, also known as a medical thermometer, is a device used to


measure the temperature of a human or animal's body.

It's a long, narrow glass tube with a bulb at the end that contains mercury.

When the thermometer is placed in the body, the mercury expands and rises up a
capillary thread, indicating the body temperature

Parts of a clinical thermometer and their functions:

1)​ Bulb: Holds the liquid, such as mercury, that expands when it comes into contact
with the body as the temperature rises

2)​ Capillary tube: A thin glass tube that indicates the temperature scale

3)​ Stem: A thin capillary tube that is scaled to show the temperature.

4)​ Scale: Marked along the side of the thermometer to assist in reading the temperature

Kink: Prevents the level of mercury from falling when taken out of the mouth.

Some things to know about clinical thermometers:

●​ Temperature range
Clinical thermometers typically range from 35*C to 42"C, which is the normal human
body temperature range

●​ Types of readings
The temperature can be taken in several ways, including under the tongue (oral),
under the armpit (axillary), in the ear (tympanic), or on the forehead (temporal)

●​ Safety
Clinical thermometers should be sterilized before and after use

●​ History

Precautions while using a clinical thermometer :

We need to observe several precautions while using a clinical thermometer:

1.​ The thermometer should be washed before and after use by an antiseptic solution
2.​ Mercury level should be below 35" before use
3.​ Read the thermometer keeping the level of mercury along the line of sight
4.​ Don't hold the thermometer by the bulb while reading it.
5.​ Handle with care. If it hits against some hard object, it can break.

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