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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?

While administering an IPV treatment at 20 cm H2O to a patient with cystic fibrosis, a respiratory therapist notes the patient has suddenly become very short of breath and cyanotic.  The therapist’s most appropriate action is to

A 168-cm (5-ft 6-in), 62-kg (136-lb) patient is receiving PC, A/C ventilation.  The following data are available:FIO20.40 pH7.52Mandatory rate15 PaCO2  26 torrTotal rate15 PaO2110 torrSet inspiratory pressure20 cm H2O HCO3-  21 mEq/LExhaled VT700 mL BE0 mEq/LI:E1:4   PEEP10 cm H2O   A respiratory therapist should recommend decreasing the

A previously healthy 30-year-old patient is hospitalized with chills and fever.  A chest radiograph is consistent with right upper lobe pneumonia.  Which of the following is most likely to aid in the patient’s management?

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 25BP155/90 mm HgSpO290% on 4-L nasal cannulaWhich of the following studies should a respiratory therapist recommend NEXT?

The following data are obtained: . FIO2  1.0 VD/VT 0.45 Respiratory exchange rate 0.8 PB 747   . pH 7.42 PaCO2 38 torr PaO2  152 torr HCO3- 25 mEq/L BE +1 mEq/L What is the P(A-a)O2?

When reviewing progress notes for a patient, a respiratory therapist notes that a provider has recommended changes to the patient’s treatment plan.  Which of the following should the therapist do NEXT?