NBRC PRACTICE EXAM 2 QUESTIONS AND ANSWERS, RATED A+[LATEST EXAM UPDATES]

NBRC PRACTICE EXAM 2 QUESTIONS AND ANSWERS, RATED A+ A 28-week gestational age neonate is suspected of having a pneumothorax. Which of the following should the RT recommend to help diagnose if this condition is present? 1. Transillumination of the chest 2. Transcutaneous PO2 monitoring 3. Chest x-ray 4. Arterial blood gas - 1 and 3 only The following data is collected from a 75 kg (165 lb) patient on a 40% aerosol mask. Vt - 500 mL RR - 12 breaths/min This patient's alveolar minute ventilation is which of the following? A. 4.0 L B. 5.0 L C. 6.0 L D. 7.0 L - 4.0 L A chest x-ray reveals the tip of the patient's ETT is located at the level of the 4th rib. The RT observes the tube is taped at the teeth at the 27 cm mark. What is the most appropriate action to take? A. Withdraw the tube to the 23 cm mark B. Advance the tube 2 cm C. Make no changes to the tube position D. Withdraw the tube to the 18 cm mark - Withdraw the tube to the 23 cm mark Which of the following increases the potential for damage to the tracheal mucosa by the endotracheal tube? 1. Maintaining cuff pressure at 26 mmHg 2. Use of a low volume, high pressure cuff 3. Maintaining cuff pressure at 27 cmH2O - 1 and 2 only The RT is having difficulty calibrating a transcutaneous oxygen electrode. Which is the most likely cause of this problem? A. The sensor is not attached to the patient properly B. The membrane is damaged C. The sensor is warm D. Perfusion to the sensor site is poor - The membrane is damaged A patient on a 40% air entrainment mask has the following ABG: pH - 7.47 PaCO2 - 31 torr PaO2 - 58 torr HCO3 - 25 mEq/L BE - +1 mEq/