Vinnie receives a call from Mr. Everson, who says his wife is confused. He says she is pale and is feeling faint and sweaty. Mr. Everson also says his wife has a weak, rapid pulse, and her skin is cool and moist. Vinnie should recognize these symptoms as ____.
a. Symptoms of heat exhaustion
b. Symptoms of low blood sugar
c. Symptoms of a heart attack
d. Symptoms of dehydration