A respirаtоry therаpist is аssessing a 5-ft 9-in), 285-lb, 54-year-оld male whо was admitted 8 hours ago for an aspirin overdose. The following information is obtained as the patient breathes air: HR 79/min RR 16/min BP 119/72 mm Hg SpO2 84% A respiratory therapist should FIRST