At least how many separate exits are required of a balcony with an occupant load between 500 and 999 persons?

When treating cerebral edema it is important to know that a high PaCO2 causes

A) vasoconstriction. B) tissue perfusion. C) permissive hypotension. D) vasodilation.

What is the most common cause of cephalization as seen on the upright chest film?

a. Renal failure b. Left heart failure c. Hypoxemia d. Empyema