Mr. Johnson is a patient who was admitted to the hospital with chronic obstructive pulmonary disease. He has smoked cigarettes for 33 years and is currently trying to quit his two packs-a-day habit
Upon admission to the hospital, Marsha, a registered nurse is taking his vital signs and is obtaining a pulse oximetry reading. Mr. Johnson asks Marsha what this reading tells her. What is Marsha's best answer? A. "This tells me what your heart rate is."
B. "This tells me how well your lungs are perfusing."
C. "This is a way for me to measure your respiratory rate."
D. "This reading tells me how deeply you are breathing."
B
Ventilation is assessed by determining respiratory rate, respiratory depth, and respiratory rhythm, and diffusion and perfusion are assessed by determining oxygen saturation.
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