Thermal Agents Quiz

What is specific heat?

• The amount of energy required to raise the temperature of a unit mass of a material by 1 degree Celsius

• The amount of energy required to lower the temperature of a unit mass of a material by 1 degree Celsius

• The amount of energy required to raise the temperature of a unit volume of a material by 1 degree Celsius

• The amount of energy required to lower the temperature of a unit volume of a material by 1 degree Celsius

Which material has a higher specific heat than fat or bone?

• Skin

• Fat

• Bone

• Water

Which mode of heat transfer involves energy exchange by direct collision between molecules of two materials at different temperatures?

• Conduction

• Convection

• Conversion

• Radiation

What is the rate of heat transfer by conduction dependent on?

• The temperature difference between the two materials

• The area of contact between the two materials

• Tissue thickness

• All of the above

Which mode of heat transfer involves heat transfer through direct contact of a circulating medium with a material of a different temperature?

• Conduction

• Convection

• Conversion

• Radiation

What is the primary effect of cryotherapy?

• Inflammation control

• Edema control

• Pain control

• All of the above

What is the recommended duration for applying ice to control acute inflammation?

• 48-72 hours

• 15-20 minutes

• 10-30 minutes

• 5 minutes

What is the neuromuscular effect of ice on muscle strength?

• Increased strength

• Decreased strength

• No effect on strength

• Mixed results

What is the primary effect of thermotherapy?

• Pain control

• Increased ROM & decreased joint stiffness

• Accelerated healing

• All of the above

What is the recommended temperature range for paraffin therapy?

• 70-75°C

• 45-50°C

• 30-35°C

• 10-15°C