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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?

Data below were obtained while an adult patient was receiving VC ventilation with an FIO2 of 0.50:                                           1300             1315          1330           1345PEEP (cm H2O)                      5               10                15              20BP (mm Hg)                       140/90        130/90       120/80      110/80SpO2 (%)                                75              90               94               95Static compliance                   20               40               60               55(mL/cm H2O)  Which of the following levels of PEEP should a respiratory therapist choose?