Mr.Geary is a 25-year-old who has been outside playing soccer on a hot summer day.In the late afternoon he is pale,nauseated,and begins to vomit.His temperature is 38.6 C.Which of the following best describes his current condition?

A) Heat exhaustion
B) Heat stroke
C) Malignant hyperthermia
D) Hyperpyrexia

Heat Exhaustion

The result of excessive heat and dehydration; signs include pallor, dizziness, nausea, vomiting, fainting, and a moderately increased temperature (38.5°C to 39°C).

Malignant Hyperthermia

A pharmacogenetics disease that can be triggered by exposure to certain anesthetic agents; signs include elevated carbon dioxide production, profuse sweating, tachycardia, and skeletal muscle rigidity, prior to developing a life-threatening rapid increase in core body temperature.

Hyperpyrexia

An extremely high body temperature or fever, typically above 41.1 degrees Celsius (106 degrees Fahrenheit), which can be life-threatening.