Which of the following statements regarding oxygen is correct?
Select one:
A. Oxygen supports the combustion process and may cause a fire.
B. Oxygen is most safely administered in an enclosed environment.
C. Oxygen cylinders must always remain in an upright position.
D. Oxygen is flammable and may explode if under high pressure.
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Which of the following statements regarding normal gas exchange in the lungs is correct?
Select one:
A. The oxygen content in the alveoli is highest during the exhalation phase.
B. Blood that returns to the lungs from the body has low levels of carbon dioxide.
C. The actual exchange of oxygen and carbon dioxide occurs in the capillaries.
D. Oxygen and carbon dioxide diffuse across the alveolar walls and capillaries.
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Which of the following statements regarding breathing adequacy is correct?
Select one:
A. Patients breathing shallowly may require assisted ventilation despite a normal respiratory rate.
B. A patient with slow respirations and adequate depth will experience an increase in minute volume.
C. The single most reliable sign of breathing adequacy in the adult is his or her respiratory rate.
D. Patients with a grossly irregular breathing pattern usually do not require assisted ventilation.
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Which of the following patients should you place in the recovery position?
Select one:
A. A 19-year-old conscious male with a closed head injury and normal respirations
B. A 31-year-old semiconscious male with low blood sugar and adequate breathing
C. A 40-year-old conscious female with a possible neck injury and regular respirations
D. A 24-year-old unconscious female who overdosed and has a reduced tidal volume
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