A bronchogram reveals increased pulmonary infiltrates and some consolidation in the lateral and posterior basal segments. The respiratory therapist should place the patient in which of the following positions to concentrate on the areas with increased infiltrates? A. Prone position with a pillow under the hips B. Supine position C. Trendelenburg with head-of-bed down 30 degrees D. Reverse Trendelenburg {Ans: C. Trendelenburg with head-of-bed down 30 degrees Explanation : To drain the lateral and posterior basal segments, or any of the basal segments, the appropriate position is Trendelenburg, or the head-of-bed down 30°.}Prior to a cardioversion procedure for the treatment of atrial fibrillation, the respiratory therapist should synchronize the defibrillator to which of the following waves on the ECG? A. S B. R C. T D. P {Ans: B. R Explanation : For cardioversion, the defibrillator machine must be synchronized with the heart rhythm. Another way to say this is that the defibrillator must be set to ACTIVE synchronization. The machine will synchronize automatically to the R wave.}A 32-gestational week newborn is receiving mechanical ventilation via a 3.0 mm endotracheal tube. Which of the following are associated with ongoing assessment of renal function? A. PCWP B. humidification is