NBRC CRT Revision: Questions and Answers on Respiratory Therapy, Exams of Medicine

Download NBRC CRT Revision: Questions and Answers on Respiratory Therapy and more Exams Medicine in PDF only on Docsity! Study this! NBRC CRT Revision Questions and Answers. Which of the following therapeutic gas mixture should the respiratory therapist select to improve the distribution of ventilation for a patient with high airway resitance? A. helium/oxygen B. nitric oxide/oxygen C. nitrous oxide/oxygen D. carbon dioxide/oxygen - \A. helium/oxygen The respiratory therapist assesses a patient receiving supplemental oxyby a transtracheal oxygen catheter. The patient is diaphoretic, has a higher than a norman respiratory rate, and appears cyanotic. Which of the following is the possible explanation? A. There is excess humidity in transtracheal system B. The flow going to the transtracheal system is too high C. The transtracheal catheter is obstructed by a mucus plug D. The transtracheal catheter is advanced too far into the airway - \C. The transtracheal catheter is obstructed by a mucus plug A patient who is receiving mechanaical ventilation using PEEP is switched to acontinuos flow CPAP system for weaning. On initial evaluation, the manometer shows negative pressure during inspiration, and the patient appears agitated and uncomfortable. Which of the following actions is most appropriate? A. Hyper oxygenate and suction the patient B. Reinstitute mechanical ventilation C. Increase CPAP by 2cm H2O D. Increase System Flow - \D. Increase System Flow An adult patient with ARDS has been receiving mechanical ventilation for two weeks and is being considered for weaning. Nitric Therapy is in use at a concentration of 10ppm. The patients' PVR has change from 190 dynes to 150 dynes and the PaO2 is 90 torr with an FiO2 of 0.50. The NO concentration should be change to? A. 0 ppm B. 5 ppm C. 15 ppm D. 20 ppm - \B. 5 ppm The information below was obtained from the pulmonary function report for a 40 year old who weighs 73kg (161 lb) and is 177cm (5 ft and 9 in) tall: FVC 2.50L FEV1 2.16L FEV1/FVC 90% DLCO 51% of predicted There is no significant response to bronchodilator. These date most strongly suggest? A. Interstitial Fibrosis B. emphysema C. Chronic Bronchitis D. Cysty Fibrosis - \A. Interstitial Fibrosis A spontaneous breathing adult patient is intibated with a 6.0 mm ID endotracheal tube. Which of the follwing will decrease the patients work of breathing imposed byb the endotracheal tube? A. CPAP B. Pressure Support C. flow bu D. Inspiratory Pause - \B. Pressure Support A 5 year okd child is receiving mechanical ventilation with the following settings; FiO2 21% Mandatory Rate 25 Vt 250ml A heat moisture exhanger is attached at the cicuit Y, and the peak pressure increases while the plateau remains stable. Which of the following should be recommended at this time? A. Change to a heated humudifier B. Initiate Chest Physiotherapy C. Increase the set tidal volume to 300ml D. Increase the FiO2 to 0.35 - \A. Change to a heated humidifier A ventilated patient is switched from AC to SIMV mode. The patient respiration all the sudden increases from a total rate of 18/min to 32/min. The respiratory therapist should recommend A. increase sensitivity B. increasing respiratory rate