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During resuscitation of an adult patient, the following ECG tracing is observed:When should sodium bicarbonate be considered?

The radial artery is the site of choice when performing an arterial puncture for which of the following reasons?

While observing the volume time waveform on a ventilator, the descending limb of the graphic fails to return to baseline as shown below:To correct the problem illustrated by this pattern, the respiratory therapist should:

A 70 kg (154 lb) patient with ARDS is recieving volume-controlled ventilation. The ventilator settings are as follows:Mode                                ACFIO2                                                  0.60Mandatory Rate               12Total Rate                       12VT                                   700 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?

During suctioning of a patient who is receiving mechanical ventilation, the patient has bradycardia. A respiratory therapist could minimize this problem by doing which of the following?

A 65 year old male has been receiving 250 mcg of fluticasone / 50 mcg of salmeterol (Advair), one inhalation twice daily for 2 months. He has improved, but continues to experience wheezing daily and frequent night time awakenings with dyspnea. Which of the following should the respiratory therapist recommend?

Factors affecting the amount of oxygen received by a patient using a nasal cannula include which of the following?I. Liter flow of oxygenII. Depth of inspirationIII. Rate of respirationIV. Presence of a humidification in the system

A patient is recieving  volume controlled mechanical ventilation with a minute volume of 6.1 L/min. The pH is 7.36 and the PaCO2 is 60 torr. Which of the following should the respiratory therapist do?

A patient is currently on a spontaneous mode:   CPAP – 5 cm H2O HR – 80 bpm FIO2 – 0.30 SpO2 – 96% Respiratory rate – 20 breaths/min Tidal volume – 320 ml Minute volume – 6 L/min What is this patient’s rapid shallow breathing index (RSBI)?

The gradual reduction of ventilatory support is called: