16 Questions
What is the heat capacity (C) of a body?
Ratio of the quantity of heat supplied to a body to its corresponding temperature rise
What is the quantity of heat needed to raise the temperature of 1 gram of water by 1 degree Celsius?
4.2 joules
What is specific heat capacity?
The quantity of heat needed to raise the temperature of any material by one degree Celsius
What do electromagnetic waves consist of?
Transverse electric and transverse magnetic fields
What is a photon?
A quantum of electromagnetic radiation
How is the energy of a photon calculated?
$E = hu$ where $h$ is Planck constant and $u$ is frequency
What is hyperemia?
An increased content of blood in a part with distention of blood vessels
What is the predominant form of radiation in man's natural environment?
Thermal radiation
What is the main aim of thermal therapy in modern clinical treatments?
To modify tissue temperature in a targeted region over time to compel a desired biological response
What is hyperthermia categorized into?
Long-term low-temperature hyperthermia and moderate-temperature hyperthermia
What is thermal ablation also known as?
High-temperature hyperthermia
What does laser-induced thermal therapy (LITT) aim to do?
Deliver therapy due to the interstitially placed high-power lasers in the tumor
What is the anatomical structure of skin tissue considered as?
A multilayered structure consisting of epidermis, dermis, and fat layers
What does thermal energy lead to inside tissue?
Vibration of molecules and emission of electromagnetic waves
What are the two techniques emphasized in thermal therapy?
Hyperthermia and thermal ablation
What is denaturation?
The alteration of the characteristics of an organic substance, especially protein, by chemical or physical action
This quiz covers the fundamental concepts of heat transfer and heat capacity, focusing on the definition of heat as a form of energy transfer and the calculation of heat capacity. It is relevant for students studying basic sciences or electrotherapy.
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