A nurse is caring for an adolescent who has hyperthermia. Which of the following actions should the nurse take?

A. Acetaminophen is used to treat fever (pyrexia), but in hyperthermia, external cooling measures are more effective. B. Hyperthermia can cause neurological complications, including seizures, so precautions such as padded side rails should be in place. C. Ice water immersion can cause vasoconstriction and shivering, worsening hyperthermia. D. A thermal blanket generates heat and is contraindicated in hyperthermia.