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:

Following successful re-intubation and examination of a patient, the respiratory therapist should recommend:

A patient who is dyspneic and has COPD is breathing room air. The following arterial blood gas results are obtained:pH          7.32PaCO2    68 torrPaO2           49 torrHCO3      34 mEq/LBE         +9 mEq/LWhich of the following devices should be used for the administration of oxygen to this patient?

While reviewing a patient ventilator flow sheet, a respiratory therapist reads that the patient’s VD/VT is 0.65. This finding is most consistent with:

A 75 kg man with septicemia has been receiving volume-controlled ventilation in the assist/control  mode for 72 hours. Ventilator settings and ABG are as follows:FIO2                        0.70                          pH              7.41Mandatory rate        14                             PaCO2       37 torrTidal volume            600 ml                     PaO2                58 torrPEEP                      15 cmH2O                 HCO3         23 mEq/LPIP                         50 cmH2O                 BE             -1 mEq/LPplat                       45 cmH2OWhich of the following should the respiratory therapist recommend?

A patient recieving mechanical ventilation requires frequent suctioning. During each suctioning procedure, the patient desaturates and develops tachycardia. Which of the following should the therapist do?I. Increase the FIO2 to 1.0 during suctioningII. Install a closed circuit suctioning systemIII. Increse PEEP during suctioingIV. Request a bolus of midazolam (Versed) prior to suctioning

If a needle is going to be recapped, Which of the following is the preferred technique?

In which of the following situations will a patient benefit most from coached deep breathing?

a 42 year old woman who is obese and has a long history of smoking recently underwent upper abdominal  surgery. She was extubated last evening and several hours later is observed lying supine with shallow, rapid respirations. There are decreased breath sounds at both bases and the patient is complaining of severe pain with movement..Which of the following should a respiratory therapist suggest at this time?I.Arterial blood gas analysisII. Chest radiographIII. Acid-fast bacillus culture of sputum specimenIV.Electrolyte determinations