The body's most efficient heat-regulating mechanisms are sweating and dilation of skin blood vessels.

What is the response of a patient with chronic hypercapnia to a sudden acute rise in carbon diox-ide?

a. In almost all of these patients, there will be no response. b. The patient's drive to breathe will be in-creased. c. This will further depress his or her respir-atory centers. d. This will induce apnea and sudden death.

A __________ is placed over the tissues during surgery to guide the dentist in the placement of the implant

a. surgical stent template b. mouth mold c. neither a nor b d. both a and b