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Why are clinical thermometers shaken?
The shaking is to reduce the level of the medium in the thermometer to a temperature well below normal so that an an accurate temperature can be read after using.
Why do we just a clinical thermometer before we measure body temperature?
Answer: Because there is a kink in the clinical thermometer and it stops the flow of mercury. That is why we jurk it so the flow of mercury can again come below 35°C.
Why clinical thermometer is important?
Understanding body temperature is particularly important when dealing with babies and toddlers. Medical thermometers allow healthcare professionals to provide accurate diagnosis. Temperature can be measured in various locations on the body which maintain a stable temperature.
What do you mean by a clinical thermometer?
: a thermometer for measuring body temperature that has a constriction in the tube above the bulb preventing movement of the column of liquid downward once it has reached its maximum temperature so that it continues to indicate the maximum temperature until the liquid is shaken back down into the bulb.
Why do we prefer digital thermometer nowadays?
Digital thermometer are used these days instead of clinical thermometers because: Digital thermometers are designed to be more accurate. Digital thermometer provide temperature readings in decimals which more accurate compared to mercury thermometer.
What are the advantages of using a digital thermometer?
Benefits of Digital Thermometers Digital thermometers can read temperatures fast and with high accuracy. They are handy and easy to use; you can even carry the thermometer in your bag. The display is easy to read. A digital thermometer isn’t expensive.
What is clinical thermometer state its special features?
Doctors use a special thermometer called the clinical thermometer for measuring the temperature of the patient’s body. This thermometer has the markings from 35∘C to 42∘C. It has a slight bend or kink in the stem above the bulb. This kink is called the constriction.
What is a clinical thermometer How does it work?
The thermometer is placed inside the mouth of the patient to measure the body temperature. As the temperature of mercury in the glass bulb rises up due to the heat of the body, mercury expands and it starts to flow through the thin capillary thread at a certain level.
Why does a thermometer need to be shaken before use?
If the clinical thermometer is a mercury based thermometer, it needs to be shaken down prior to each use. This is because there is a pinch point between the mercury reservoir bulb and the capillary tube, to ensure that the mercury does not shrink back into the bulb after the temperature has been taken.
Why do thermometers have to be jerked before reading the temperature?
Fever thermometers are designed that way, so that the value is held, and can be read at leisure. Ordinary mercury thermometers just show the current temperature without the need to shake them down. Originally Answered: A clinical thermometer is jerked for a few times before using it.
What is a cladclinical thermometer?
Clinical thermometers are meant for measuring the human body temperature. It is a narrow glass tube with a bulb containing mercury at one end. These thermometers have the calibrated range of 35˚C to 43˚C. Like any other glass thermometer, the level of mercury rises when temperature increases; it shows the body temperature in the Celsius scale.
How does a glass thermometer work?
Like any other glass thermometer, the level of mercury rises when temperature increases; it shows the body temperature in the Celsius scale. You will note that there is a kink or constriction in the tube just above the mercury bulb. This is to prevent the mercury from returning to the bulb when the thermometer is held up for taking the reading.