You have applied the pulse oximeter to a 73-year-old male complaining of weakness and heart palpitations. Your partner reports that the patient's breath sounds are clear and equal with a respiratory rate of 16 breaths per minute and skin that is warm but pale in color. He continues to state the following vital signs: pulse 92, blood pressure 168/70 mmHg, and SpO2 90% on room air. Given this
information, which one of the following instructions would be most appropriate?
A) "Let's recheck the SpO2 in 2 minutes for any change."
B) "The reading must be wrong since he displays no cyanosis."
C) "The SpO2 is probably normal for him since he is very pale."
D) "Let's give him high-concentration oxygen through a nonrebreather."
D
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The branch of medicine that deals with the diagnosis and treatment of problems and diseases of older adults is ____.
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