You are accompanying a team of hikers climbing a high mountain. In the morning, you are summoned to a tent and find one of the climbers confused and complaining of a headache. His airway is patent and respirations adequate. He has no medical history and was in good health until found this morning by his friend. Suspicious of high-altitude cerebral edema (HACE), you should do which one of the

following?

A) Immobilize the patient.
B) Provide high-concentration oxygen.
C) Insert an oropharyngeal airway.
D) Administer oral glucose.

B