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A patient is receiving controlled ventilation via a IPPB ventilator (Bird Mark 7).  Suddenly, the ventilator will not cycle into expiration, this problem may be caused by: 1. Development of a spontaneous pneumothorax 2. Disconnected expiratory valve 3. A hole in the cuff of the ETT 4. A leak in the patient tubing

The following data is collected on a  patient in the intensive care unit: CVP 15 cm H20 CO 4.5 L/min PCWP 10 mm Hg PAP 31/25 mm Hg (mean 27 mm Hg) This data is indicative of which of the following?

Which of the following could cause a CVP of 10 mm Hg? 1. Fluid overload 2. Pulmonic valve stenosis 3. Right-ventricular failure 4. Pulmonary embolism

What is a potential side effect of bland aerosol administration? 1. Increased airway resistance 2. Decreased airway resistance 3. Bronchodilation 4. Bronchospasm

You notice that the patient’s secretions have become thicker and more difficult to suction since replacing the ventilator humidifier with a HME.  The respiratory therapist should recommend which of the following?

A post-CABG patient currently has hemodynamic monitoring in place.  The pressure transducer is located above the mid-chest level.  What should the respiratory therapist expect to occur with the hemodynamic pressures?

After connecting a nasal cannula to the humidifier outlet, you kink the tubing and hear a whistling noise coming from the humidifier.  Which of the following most likely caused this?

A HME is being utilized in a ventilator circuit.  You notice that it has become clogged with a copious amount of thick secretions.  What is the most appropriate action?

While administering postural drainage to a patient on a 2 L/min nasal cannula, the respiratory therapist observes frequent cardiac arrhythmias on the cardiac monitor.  Which of the following should the therapist do at this time?

The following data is collected on a  patient in the intensive care unit: CVP 1 mm Hg CI 1.9 L/min/m2 PCWP 3 mm Hg PAP 17/5 mm Hg (mean 9 mm Hg) This data is indicative of which of the following?