Mastering Temperature Measurement with Clinical Thermometers

The video tutorial explains how to identify if an object is hot or cold using temperature. It introduces the clinical thermometer, describing its structure and how it works. The video provides detailed instructions on how to read and use a clinical thermometer, including safety precautions. It also discusses different temperature units like Celsius, Kelvin, and Fahrenheit, and advises against using clinical thermometers for hot objects other than the human body.

What device is commonly used in hospitals to measure body temperature?

• Hygrometer

• Thermometer

• Barometer

• Anemometer

What is the normal temperature range of the human body in Celsius?

• 32°C to 40°C

• 37°C to 45°C

• 35°C to 42°C

• 30°C to 35°C

What is the purpose of the capillary tube in a clinical thermometer?

• To store extra mercury

• To cool down the thermometer

• To prevent mercury from expanding

• To allow mercury to expand and show temperature

How many divisions are there between two consecutive numbers on a clinical thermometer if each division represents 0.1°C?

• 20 divisions

• 10 divisions

• 15 divisions

• 5 divisions

What is the significance of the bent capillary tube near the bulb in a clinical thermometer?

• It helps in cooling the mercury

• It prevents mercury from flowing back immediately

• It allows more mercury to be stored

• It makes the thermometer more durable

What should you do before using a clinical thermometer?

• Place it in the freezer

• Shake it vigorously

• Wash it with antiseptic solution

• Heat it over a flame

Where should the bulb of the thermometer be placed to measure body temperature?

• Under the arm

• Behind the ear

• On the forehead

• Under the tongue

What is the correct way to read the temperature on a clinical thermometer?

• Immediately after placing it under the tongue

• After 1 minute of placing it under the tongue

• After 5 minutes of placing it under the tongue

• After 10 seconds of placing it under the tongue

Which of the following is NOT a unit of temperature?

• Newton

• Celsius

• Kelvin

• Fahrenheit

Why should a clinical thermometer not be used to measure the temperature of hot objects?

• It may lose mercury

• It may overheat

• It may break

• It may give inaccurate readings