NBRC Practice Test #2 (Second Practice Test - High Missed Questions) Questions With Complete Solutions

After a patient undergoes a thoracentesis, the respiratory therapist notes that the obtained pleural fluid is clear with a slight straw color. This fluid is most likely the result of A. empyema. B. congestive heart failure. C. lung carcinoma. D. hemothorax. correct answer: Congestive Heart Failure The respiratory therapist is calibrating a spirometer and checking the volume with a 3.0 liter super syringe. the volumes recorded are 2.85L, 2.8L and 2.8L. Based upon the information obtained, which of the following is a correct statement? A. Another syringe needs to be used B. Spirometer is accurate C. The plunger was advanced too slowly D. Spirometer may have a leak correct answer: D. Spirometer may have a leak Which of the following is an indication for high frequency jet ventilation? A. Bronchopleural fistula B. Wilson Mikity syndrome C Necrotizing lesion of right lung D. Centrilobular emphysema correct answer: Bronchopleural Fistula **(because it uses mean airway pressures & low tidal volumes to improve oxygenation and we do not want to worsen bp fistula) A 43 y/o female patient has just undergone a total abdominal hysterectomy. The pt arrives in the post anesthesia care unit obtunded with minimal response to painful stimulus. what treatment should the RT recommend for this pt? correct answer: Insert OPA (b/c they are unresponsive) What is the normal VD/VT ratio for a patient breathing room air? correct answer: 20-40% All of the following could cause a patient's right-hemidiaphragm to be elevated, EXCEPT: A. right lower lobe atelectasis B. right side hyperlucency, absent vascular markings C. hepatomegaly D. right lower lobe consolidation with air bronchograms correct answer: B. right side hyperlucency, absent vascular markings (pneumothorax) A 2 y/o child with croup has been intubated for 4 days with a 4mm ID uncuffed ETT. Heated aerosol at an FiO2 of 30% has been delivered to the patient. The physician asks the RT to evaluate the pt for possible extubation. Which of the following would most likely indicate that the pt is ready for extubation? A. Pt is making normal quiet ventilatory efforts B. Negative sputum culture and sensitivity has been reported C. Pt's ABG are within normal range D. Breath sounds are heard around the tube on auscultation correct answer: D. Breath sounds are heard around the tube on auscultation A pt is senn inthe ER for complaints of nausea and vomiting. A NGT has been inserted and the pt is started on lasix. Which of the following should the RT monitor? A. Cardiac enzymes B. Serum electrolytes C. ABG D. Cell hydration level correct answer: B. Serum electrolytes (because of loss of fluids)