Respiratory Care Exam Questions Correctly Answered

A patient receiving 38 mg H2O per liter of gas from a nebulizer has a humidity deficit of which of the following? A. 6 mg/l B. 9mg/l C. 12 mg/l D. 18 mg/l - a. 6 mg/l 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. The humidifier is cracked B. The capillary tube in the humidifier is disconnected C. The humidifier has no leaks D. The top of the humidifier is not screwed on tightly - c. The humidifier has no leaks You notice that the patient’s secretions have become thicker and more difficult to suction since the ventilator humidifier was replaced with a heat and moisture exchanger. The respiratory therapist should recommend which of the following? A. Increase the inspiratory flow B. Decrease the temperature to the heat and moisture exchanger C. Replace with a new heat and moisture exchanger D. Replace the heat and moisture exchanger with a conventional heated humidifier - d. Replace the heat and moisture exchanger with a conventional heated humidifier Which of the following are indications for cool, bland aerosol therapy? 1. A cough must be induced for sputum collection 2. Mobilization of secretions must be improved 3. Post-extubation inflammation of the upper airway must be treated A. 1 only B. 1 and 3 C. 2 and 3 D. 1, 2, and 3 - d. 1, 2, and 3 You notice that very little mist is being produced by a nebulizer attached to an aerosol mask. Which of the following could be responsible for this? 1. The liter flow is too high 2. The nebulizer is clogged with lint 3. The filter on the capillary tube is obstructed A. 1 only B. 2 only C. 1 and 3 only D. 2 and 3 only - d. 2 and 3 only