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The following pulmonary function results are obtained for a patient:       .   Observed  Predicted % Predicted             . FVC 3.40 5.90 57.6% FEV1 0.50 4.00 12.5% FEV1/FVC 14 70 FEF25-75% 0.77 4.50 17.0% TLC 8.40 7.30 115.0% A respiratory therapist should recommend a treatment plan for

A V/Q scan reveals ventilation and perfusion are equally decreased in the right mid-lung field.  This finding is compatible with

The following patient data are obtained:CaO2 Pv¯O2 Sv¯O2 Hb12 vol%30 torr60%10 g/dL             The patient’s C(a-v¯)O2 is approximately

An alert adult patient is receiving CPAP with PS of 5 cm H2O and an FIO2 of 0.28.  The patient has a heart rate of 88 and a respiratory rate of 25. Blood gas analysis results are as follows: pH                7.43PaCO2        35 torrPaO2           95 torrHCO3-        23 mEq/LBE                -1 mEq/LWhich of the following is a respiratory therapist’s most appropriate action?

A male patient who is experiencing an acute myocardial infarction will most likely have which of the following clinical findings?         jaw pain   pedal edema    nausea and vomiting      feverA.yesnoyes noB.noyes noyesC.yesno noyesD.noyesyesno

A 59-year-old patient with COPD is seen in the pulmonary clinic for a routine appointment.  The analysis results of an arterial blood gas sample drawn while the patient is breathing air are below:pH           7.41PaCO2        55 torrPaO2        41 torrHCO3-        35 mEq/LBE        +8 mEq/LWhich of the following is the most appropriate NEXT step?

A patient’s V/Q scan indicates an excess of ventilation compared to perfusion in the left lower lobe.  These results suggest

A respiratory therapist is assisting a physician perform a tracheotomy on a patient who is receiving PC ventilation.  The therapist observes increased heart rate, decreased exhaled tidal volume, and distant breath sounds over the right chest.  This information is most indicative of a

A physician orders 1 mg of medication to be administered by aerosol.  If the concentration of a stock solution is 0.04%, how many mL of the solution must be administered?

A 65-year-old patient who is post-CABG was extubated 4 hours ago and complains of increasing shortness of breath.  Breath sounds are decreased over the right lung field. The following data are available:HR         105RR           25BP        155/90 mm HgSpO2          90% on 4-L nasal cannulaWhich of the following studies should a respiratory therapist recommend NEXT?