A high school wide receiver suffered substantial head trauma during a tackle. The school nurse is concerned about concussion. The nurse provides which information to the adolescent and parents? Select all that apply.

A child suffered burns after pulling a boiling pot of water off the stove. The child’s head, torso, and right arm have third-degree burns. What is the total percentage of body surface area affected in this patient? Input your answer using a whole number.

The nurse uses an understanding of which physiologic process to explain why the patient feels out of breath at high altitudes?