"a health care provider prescribes the application of a warm soak to an intravenous (iv) site that has infiltrated. what principle does the nurse determine is in operation when the application of local heat transfers temperature to the body? "

The nurse would think that a piercing of the skin is about to happen so a softening of the skin is presently taking place. What principle is in operation is the question. The principle would be the skin responding to the soaking in order to reach the main goal of piercing the skin.