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While assessing a mechanically ventilated female patient with a 6.5 ETT, a respiratory therapist notes a large leak around the endotracheal tube. The therapist adds air to the cuff until the leak is no longer heard, resulting in a cuff pressure of 45 mm Hg. The therapist should:

Mechanical ventilation is indicated for patients with which of the following conditions?I. Acute on chronic hypercapneaII. Anemic hypoxiaIII. Narcotic-induced hypoventilationIV. Increased work of breathing

Wheezes and rhonchi are heard bilaterally after a patient aspirated gastric contents. The patient appears short of breath, has a cough producing copious, watery secretions and the SpO2 is 78%. The physician asks the respiratory therapist to initiate oxygen therapy.Which of the following types of oxygen administration devices should the therapist select for his patient?

A patient recieving mechanical ventilation has also been recieving inline bronchodilator treatments every 4 hours. To determine the effectiveness of these treatments over the last 24 hours, the respiratory therapist should review the patient’s records for changes in:

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?