The brief sudden loss of consciousness and postural tone is called ____.

The ________ separate(s) the oral and nasal cavities

A) soft palate B) ethmoid bone C) hard palate D) ventral sinuses

Which of the following is consistent with the radiographic appearance after prolonged exposure to O2?

a. Air bronchograms b. Pulmonary abscess c. Patchy infiltrates d. Pneumothorax