To optimize the aerosol deposition during bronchodilator therapy with an MDI, a respiratory therapist should instruct a patient in which of the following breathing patterns Inspiratory flow Inspiratory volume End-inspiratory-hold I Slow  Maximal  Yes II Slow Tidal volume No III Rapid Tidal volume Yes IV Rapid Maximal No  

Pulmonary function data below were obtained for a 65 year old man who complains of shortness of breath:                                 Actual                    Percent PredictedFVC                           3.9 L                             85%        FEV1                               2.4 L                             68%FEV1/FVC                                                      62%FEF 25-75                     1.2 L/sec                      35%These data are most consistent with which of the following clinical conditions?

A patient is receiving mechanical ventilation. The following arterial blood gas results are reported on an FIO2 of 0.60:pH                     7.40PaCO2                  41 torrPaO2                    47 torrHCO3               25 mEq/LBE                    +1 mEq/LThe respiratory therapist should first recommend which of the following?

Following abdominal surgery, a 26 year old man is receiving volume controlled ventilation in the assist/control mode with a mandatory rate of 10/min. When monitoring the ventilator, the respiratory therapist notes the total respiratory rate is 30/min and there is no detectable patient effort during all breaths. The therapist should do which of the following?

An intubated patient is receiving volume controlled ventilation. A respiratory therapist finds a leak around the endotracheal tube cuff associated with a large volume loss. The therapist should do which of the following?

Which of the following ECG leads should be placed in the left midclavicular line?

Following an MI, a 60 y/o patient with CHF is receiving mechanical ventilation. The patients BP is 85/56 mmHg. Ventilator settings are as follows:FIO2                         0.60Mandatory rate      10/minTidal volume           650 mlPEEP                       10 cmH2O SpO2 is 80%, which of the following should the respiratory therapist recommend first?

A 70 kg (154 lb) patient with ARDS is receiving volume-controlled ventilation. The ventilator settings are as follows:Mode                                ACFIO2                                        0.60Mandatory Rate              12Total Rate                        12VT                                     680 mlPEEP                                10 cm H2OInspiratory flow               40 LPMInspiratory Pause             1.5 secInspiratory pattern           Square waveThe respiratory therapist should do which of the following to minimize auto-PEEP?

A patient is receiving mechanical ventilation following abdominal surgery. Weaning attempts have been unsuccessful due to muscle weakness. Which of the following tests would be most helpful in determining the cause of the weakness.

While monitoring a patient recieving mechanical ventilation, the respiratory therapist notes the following:Exhaled VT                               700 mlPIP                                       40 cm H2OHigh pressure limit             80 cm H2OLow pressure limit              35 cm H2OLow VT alarm                      600 mlHigh frequency alarm         35 breaths/minThe therapist should decrease the: