Podcast
Questions and Answers
Why is mercury used in the medical thermometer instead of alcohol?
Why is mercury used in the medical thermometer instead of alcohol?
- Mercury expands more than alcohol with temperature changes.
- Mercury has a clear color for easy visibility. (correct)
- Mercury has a low cohesive force.
- Mercury has a high adhesion force with glass.
What is the purpose of having a thin capillary in a fever thermometer?
What is the purpose of having a thin capillary in a fever thermometer?
- To prevent the mercury from rising too high.
- To increase the sensitivity of the thermometer. (correct)
- To make the thermometer delicate.
- To make the thermometer more durable.
How do thermistors differ from regular resistors?
How do thermistors differ from regular resistors?
- Thermistors have negative temperature coefficients of resistance. (correct)
- Thermistors are made of metal.
- Thermistors do not change resistance with temperature.
- Thermistors are not used for temperature sensing.
Why are thermistors considered highly sensitive temperature sensors?
Why are thermistors considered highly sensitive temperature sensors?
What causes the mercury to rise higher per degree in a precise thermometer?
What causes the mercury to rise higher per degree in a precise thermometer?
What gives thermistors their name?
What gives thermistors their name?
Why do thermistors have rapid response times?
Why do thermistors have rapid response times?
How does the small size of thermistors benefit their usage in monitoring blood temperature?
How does the small size of thermistors benefit their usage in monitoring blood temperature?
What is the advantage of a thermistor when measuring temperature change?
What is the advantage of a thermistor when measuring temperature change?
Why are thermistors used to monitor breathing rate, also known as pneumography?
Why are thermistors used to monitor breathing rate, also known as pneumography?
What is the purpose of a thermograph in healthcare applications?
What is the purpose of a thermograph in healthcare applications?
How are results from thermography typically displayed?
How are results from thermography typically displayed?
What is the physical basis for the conductive method of producing heat in the body?
What is the physical basis for the conductive method of producing heat in the body?
Which physical factor does NOT influence the total heat transferred in the conductive method?
Which physical factor does NOT influence the total heat transferred in the conductive method?
What is the primary effect of conduction heat transfer on tissues?
What is the primary effect of conduction heat transfer on tissues?
Which type of heat is used for surface heating of the body?
Which type of heat is used for surface heating of the body?
What are the man-made sources of radiant heat mentioned in the text?
What are the man-made sources of radiant heat mentioned in the text?
How deep do IR wavelengths penetrate the skin according to the text?
How deep do IR wavelengths penetrate the skin according to the text?
How does the coil in the first method generate heat in the body?
How does the coil in the first method generate heat in the body?
What type of energy is utilized in microwave diathermy?
What type of energy is utilized in microwave diathermy?
Which condition is microwave diathermy commonly used to treat?
Which condition is microwave diathermy commonly used to treat?
Why are ultrasonic waves useful for depositing heat in bones?
Why are ultrasonic waves useful for depositing heat in bones?
Which body part is the 'pancake' coil often placed near in the first method described?
Which body part is the 'pancake' coil often placed near in the first method described?
What frequency is commonly used in microwave diathermy for therapy?
What frequency is commonly used in microwave diathermy for therapy?
What is the freezing point of water in Fahrenheit?
What is the freezing point of water in Fahrenheit?
How many parts is the interval between the freezing and boiling points of water divided into on the Fahrenheit scale?
How many parts is the interval between the freezing and boiling points of water divided into on the Fahrenheit scale?
What is the freezing point of water in Kelvin?
What is the freezing point of water in Kelvin?
Which temperature scale is commonly used in science?
Which temperature scale is commonly used in science?
What is the principle behind thermometers' functioning?
What is the principle behind thermometers' functioning?
What is the unit of measurement for temperature differences that is the same in both kelvins and degrees Celsius?
What is the unit of measurement for temperature differences that is the same in both kelvins and degrees Celsius?
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