Spontaneous breathing trials with a T-piece have been initiated for a 50-year-old patient who has been receiving mechanical ventilation for 4 weeks.  With each trial, the patient becomes agitated, dyspneic, and tachypneic, and must be returned to the ventilator.  Which of the following should the respiratory therapist recommend?

A patient presents with a history of loud snoring and daytime sleepiness.  Which of the following is most important for a respiratory therapist to evaluate while the patient is sleeping?

A respiratory therapist intends to change the I:E during VC ventilation.  Flow is constant during inspiration.  Which of the following can be adjusted to accomplish this change? volumemandatory ratesensitivity inspiratory flow1.yesyesyesno2.yesyesnoyes3.yesnoyesyes4.noyesyesyes

While performing a patient-ventilator check, a respiratory therapist observes very little condensation in the heated wire circuit.  The heated wick humidifier contains an appropriate amount of water.  The most likely explanation is that the

A 32-year-old non-smoker presents with persistent shortness of breath.  The following spirometry data are obtained: Pre-bronchodilator                 Post-bronchodilator FEV1                     3.8 L                          4.6 L FVC                     6.29 L                          6.14 L FEV1/FVC           60%                        75%A respiratory therapist should NEXT recommend

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

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 patient has been receiving mechanical ventilation through a tracheostomy tube for 16 days.  The patient begins to thrash about in the bed following withdrawal of a drug-induced coma.  The patient’s tracheostomy tube has become dislodged.  Following appropriate sedation, a respiratory therapist should NEXT

Which of the following assessments can be made from a pressure-volume loop? . presence of inspiratory work     amount of  air trapping   pulmonary compliance spontaneous tidal volume A YES YES YES NO  B YES YES NO  YES C YES NO  YES YES D NO  YES YES YES  

 The following capnographic tracing is noted for a patient receiving mechanical ventilation:A respiratory therapist should