On arrival at the intensive care unit, a critically ill client suffers respiratory arrest and is placed on mechanical ventilation. The physician orders pulse oximetry to monitor the client's arterial oxygen saturation (SaO2) noninvasively. Which vital sign abnormality may alter pulse oximetry values?
a) Fever
b) Tachypnea
c) Tachycardia
d) Hypotension
Answer: d) Hypotension
Health Professions
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