A physician has ordered a 4 year old to receive 40% oxygen therapy. You would recommend which of the following oxygen delivery devices: A) Oxygen hood B) Oxygen tent C) 5LPM NC D) an aerosol mask with a jet nebulizer B) Oxygen tent A water barometer is being used to record the barometric pressure. The water within the barometer column has a meniscus formation. You would read the barometric pressure at the: A) Bottom of the meniscus B) Top of the meniscus C) Side of the meniscus D) Top and side of the meniscus A) Bottom of the meniscus The respiratory care practitioner has receive an order to administer 35% oxygen to a post-operative craniotomy patient. The patient is semi-conscious with an irregular breathing pattern. The most appropriate oxygen administration device for this patient would be: A) A 4LPM Nasal cannula B) intubation with a 35?rosol blow-by C) a simple mask at 4 LPM D) a Venturi mask D) a Venturi mask A cuff pressure manometer is connected to the endotracheal tube of a patient receiving continuous mechanical ventilation. The cuff pressure reading is 24 torr with a small air leak auscultated during inspiration. Which of the following should be done: A) Increase the cuff pressure B) Maintain this set-up and reassess in 1 hour C) Recommend changing to a larger endotracheal tube D) Decrease the cuff pressure and reassess the leak C) Recommend changing to a larger endotracheal tube A 12 year old conscious, spontaneously breathing female, weighing 40kg (88lb) is brought into the ER with a sustained cervical spine injury without any evidence of other trauma from a motor vehicle accident. The head is secured with sandbags and arterial blood gas analysis shows respiratory failure. To maintain the patient's airway, the respiratory care practitioner should recommend a: A) 6.0mm nasal endotracheal tube