Hyperventilating a posturing brain injury patient:
A) assures good cerebral oxygenation.
B) may aggravate cerebral edema by causing cerebral vasodilation.
C) may aggravate the head injury by significantly reducing cerebral blood flow.
D) reduces the PaCO2, thus promoting cerebral oxygenation.
Question 2
Which of the following can cause laryngeal spasm, leading to upper airway obstruction?
A) Inhalation of smoke or superheated gases
B) Anaphylaxis
C) Epiglottitis
D) All of the above