The upper airway refers to:
A) the space from the bronchi to the alveoli.
B) all structures from the larynx to the alveoli.
C) the space from the back of the throat to the bronchi.
D) all structures from the nose and mouth to the larynx.
D
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A PA cranial projection with accurate positioning demonstrates
1. equal distances from the lateral orbital margin to the lateral cranial cortices on each side. 2. the anterior clinoids and dorsum sellae superior to the ethmoid sinuses. 3. the petrous ridges horizontally through the lowest third of the orbits. 4. the internal acoustic meatus horizontally through the orbital center. a. 1 and 2 only b. 3 only c. 1, 2, and 4 only d. 1, 2, 3, and 4
How far beyond the dressing should a bandage extend?
A) Just to the edge of the dressing B) 1-2 inches C) 3-4 inches D) 4-6 inches