The tonsil-tip suction catheter is BEST used to suction:
A) the lower airway.
B) through an endotracheal tube.
C) the nasopharynx.
D) the upper airway.
D
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Spalling of a brick or concrete wall could be an indicator of which of the following?
A) Sustained heat B) Poor construction technique C) Chemical damage D) Inadequate rebar reinforcement
Cardiac patients never complain of nausea
Indicate whether the statement is true or false
An adult human being carries a supply of oxygen in the blood, lungs, and tissues adequate to sustain life for about __ minute(s)
A) 1 B) 2 C) 4 D) 8
In an effort to decrease the mAs of an exposure, the 15% rule of kVp change may be considered. Changing the original kVp of 84 using the 15% rule will have what impact?
a. a higher incidence of pair production interactions b. greater Compton scatter interactions c. greater photon absorption in the patient d. an improvement in image contrast