ARDS can result from the inhalation of all of the following EXCEPT:
a. FIO2 >0.60 for prolonged exposure.
b. nitrogen dioxide.
c. very dry air.
d. chlorine gas.
C
Inhaling very dry air may be irritating to the upper airway but will not cause ARDS.
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During events causing cerebral contusion, the brain often rebounds, causing the opposite brain surface to strike the inner surface of the skull, causing a ____ injury.
A. laceration B. coup C. contrecoup D. herniation
A panoramic radiograph is of little value when diagnosing which condition?
recurrent caries an impacted molar a cyst sinus deformities
Material that goes against the normal direction of blood flow of an area is known as which of the following?
A) antegrade B) contrast material C) conflict material D) retrograde material
When assessing a trauma patient's chest, you should remember that:
A) the presence of hyporesonance to percussion is an indicator of air trapping in the pleural space. B) paradoxical movement may not be grossly apparent due to the splinting effect of chest muscle spasms. C) breath sounds should be assessed routinely in at least two fields prior to visual or tactile assessment. D) a structurally non-intact chest wall should be stabilized by circumferentially wrapping the chest with bandages.