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Physiology Of Heat And Cold Practice Test

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In superficial heat therapy, skin and subcutaneous tissue temperature increases by approximately how many degrees Fahrenheit after about 6 minutes, and is maintained for up to 30 minutes?
Correct Answer:
41-42.8 F
Explanation:
Superficial heat therapy raises the temperature of skin and subcutaneous tissues to a moderate, therapeutic level within minutes. After about six minutes, the tissue temperature typically reaches roughly 105–109°F (about 41–43°C) and this elevated temperature can be maintained for up to 30 minutes as long as the heat is applied. From baseline skin temperature, that’s an increase of around 9°F. This level is high enough to promote vasodilation and increased metabolism in the tissues, improve tissue extensibility, and help with pain and stiffness, without risking damage from excessive heat.

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