Class 7 Exam > Class 7 Videos > Science Class 7 (Old NCERT) > Why can't Laboratory thermometer be used to measure body Temperature?
Why can't Laboratory thermometer be used to measure body Temperature? Video Lecture | Science Class 7 (Old NCERT)
FAQs on Why can't Laboratory thermometer be used to measure body Temperature? Video Lecture - Science Class 7 (Old NCERT)
| 1. Why can't a laboratory thermometer measure body temperature accurately? |  |
Ans. A laboratory thermometer is designed to measure temperatures in a specific range and is calibrated for substances like liquids and gases in a controlled environment. It typically has a higher range and slower response time, making it unsuitable for the quick and precise measurements required for human body temperature.
| 2. What are the main differences between a laboratory thermometer and a clinical thermometer? | |
Ans. The main differences include the temperature range, response time, and design. A laboratory thermometer can measure a wider range of temperatures and is not designed for quick readings. In contrast, a clinical thermometer is specifically designed for body temperature, providing quick and accurate readings typically within a range of 35°C to 42°C.
| 3. Is it safe to use a laboratory thermometer on humans? | |
Ans. No, it is not safe to use a laboratory thermometer on humans. Laboratory thermometers often contain mercury or other hazardous materials that can pose health risks if broken. Additionally, their design is not intended for human use, which may lead to inaccurate readings or injury.
| 4. What type of thermometer is best for measuring body temperature? | |
Ans. The best type of thermometer for measuring body temperature is a clinical thermometer, specifically digital or infrared thermometers. These are designed to provide quick, accurate readings and are safe for use on humans, making them ideal for monitoring body temperature.
| 5. Can a laboratory thermometer be used for any medical applications? | |
Ans. While laboratory thermometers are primarily intended for scientific use, they are not suitable for direct medical applications, such as measuring body temperature. However, they may be used in laboratory settings for experiments involving biological samples where precise temperature control is necessary, but they should not come into contact with humans.
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