The physical act of moving air into and out of the lungs is called:
Select one:
A. diffusion.
B. respiration.
C. oxygenation.
D. ventilation.
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The nasopharyngeal airway is MOST beneficial because it:
Select one:
A. can maintain a patent airway in a semiconscious patient with a gag reflex.
B. is generally well tolerated in conscious patients with an intact gag reflex.
C. effectively maintains the airway of a patient in cardiopulmonary arrest.
D. can effectively stabilize fractured nasal bones if it is inserted properly.
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Irregular respirations characterized by an increasing rate and depth of breathing followed by periods of apnea are called:
Select one:
A. Cheyne-Stokes respirations.
B. ataxic respirations.
C. eupneic respirations.
D. agonal respirations.
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In which of the following patients would the head tilt–chin lift maneuver be the MOST appropriate method of opening the airway?
Select one:
A. A 50-year-old male who is unconscious following head trauma
B. A 24-year-old male who is found unconscious at the base of a tree
C. A 45-year-old male who is semiconscious after falling 20 feet
D. A 37-year-old female who is found unconscious in her bed
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