Which of the following patients is breathing adequately?
Select one:
A. A conscious male with respirations of 18 breaths/min and reduced tidal volume
B. A conscious male with respirations of 19 breaths/min and pink skin
C. An unconscious 52-year-old female with snoring respirations and cool, pale skin
D. A conscious female with facial cyanosis and rapid, shallow respirations
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Which of the following is the MOST reliable indicator of adequately performed bag-valve mask ventilations in an apneic adult with a pulse?
Select one:
A. Twenty breaths/min being delivered to the adult
B. Consistently increasing heart rate
C. Decreased compliance when squeezing the bag
D. Adequate rise of the chest when squeezing the bag
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When testing a mechanical suctioning unit, you should turn on the device, clamp the tubing, and ensure that it generates a vacuum pressure of more than:
Select one:
A. 300 mm Hg.
B. 200 mm Hg.
C. 400 mm Hg.
D. 100 mm Hg.
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What occurs when a patient is breathing very rapidly and shallowly?
Select one:
A. Air is forcefully drawn into the lungs due to the negative pressure created by the rapid respirations.
B. Air moves primarily in the anatomic dead space and does not participate in pulmonary gas exchange.
C. Minute volume increases because of a marked increase in both tidal volume and respiratory rate.
D. The majority of tidal volume reaches the lungs and diffuses across the alveolar–capillary membrane.
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