What are some causes of metabolic acidosis?       I.      Renal failure        II.      Diabetic ketoacidosis            III.      Liver failure       IV.      Asthma exacerbation

Which of the following alarms on ventilatory support will indicate mechanical leaks?   I. Low VE alarm II. Low pressure alarm III. High pressure alarm IV. Low PEEP alarm

A patient on AC/PCV has the following pressure vs. time waveform. What does this waveform indicate?  

Which of the following statement about performing compressions during CPR for an infant are correct?I. The compression to ventilation ratio should be10:2II. The compression rate should be greater than 100/minIII.Compression should be applied to the sternum at the nipple lineIV. Compression depth should be three inches

During a 5 second Pause while performing CPR, the respiratory therapist notes no palpable pulse and the following rythm on the patient ECG monitor is showing:The therapist should do which of the following?

What is the variable factor in volume control ventilation (VCV) in response to changes in RAW and lung compliance?

What will occur if a cascade passover humidifier is added to a circuit to replace an HME without performing a pre-use ventilator safety test.

If oxygen flow to a 40% air-entrainment mask is increased from 8 to 12 L/min, what is the FIO2 ?

A 76 kg patient with myasthenia gravis is recieving mehanical ventilation in the SIMV mode with a mandatory rate of 8/min. The following data are collected during a bedside assessmentSpontaneous tidal volume                             300 mlMinute ventilation                                       12 L/minVital capacity                                               600 mlMaximum inspiratory pressure (MIP)          -20 cm H2OWhich of the following should the respiratory therapist recommend?

A 54 y/o patient presents to the emergency department complaining of a recent onset of muscle weakness, tingling in her feet that radiates to her knees, and difficulty eating and swallowing. The respiratory therapist monitors the patient’s vital capacity and reports progressive deterioration of values. These findings are most consistent with: