On a Hot Day, an Active Dog Will Pant Heavily

Multiple Choice

On a hot day, an active dog will pant heavily and visit his water bowl frequently. Which of the following statements about the dog's condition or behavior is false?

A) He is using evaporative cooling to lower core body temperature.
B) He is operating at a basal metabolic rate.
C) He is at the upper end of the thermoneutral zone.
D) He is sending more blood to his skin.
E) He is adjusting behavior in order to thermoregulate.