Special attention must be given to infants and elderly patients when heat applications are in place, because the skin of these patients is less resistant and burns or injuries can occur rapidly

Feedback is critical to ensure that:

A) The sender used the right channel. B) The receiver understood the message. C) The sender used individual rather than mass communication. D) The receiver sent the correct message.

Letter D in the figure represents the ________, which forms most of the posterior wall of the larynx.

Fill in the blank(s) with the appropriate word(s).