A 70-year-old female client is admitted to the medical intensive care unit with a diagnosis...

(A) An effective airway is necessary to prevent hypoxia and subsequent cardiac arrest. (B) Cerebral tissue perfusion is necessary to preserve remaining cerebral tissue, but this goal is secondary to maintenance of an effective airway. (C) While prevention of injury is important, it is secondary to maintaining an effective airway and cerebral tissue perfusion. (D) Impaired verbal communication is not life threatening in the acute phase of recovery. It is the lowest priority of the nursing diagnoses listed.