NBRC Practice Exam 3 Questions With Complete Solutions

While evaluating a postoperative patient for which incentive spirometry has been ordered, the RT obtains a VC of 6 mL/kg of body weight. The therapist should do which of the following? A. Recommend IPPB in place of incentive spirometry B. Start the treatment as ordered C. Measure the patient's tidal volume D. Recommend a bronchodilator correct answer: Recommend IPPB in place of incentive spirometry A patient breathing 50% oxygen has a PaO2 of 252 torr. Which of the following should the RT recommend? A. Discontinue oxygen therapy B. Decrease the oxygen to 30% C. Titrate oxygen to maintain an SpO2 > 93% D. Repeat the blood gases since the PaO2 is not possible on this FiO2 correct answer: Titrate oxygen to maintain an SpO2 > 93% A severe COPD patient is on a 28% air entrainment mask and has a PaO2 of 61 torr. Which of the following should the RT recommend at this time? A. Place on CPAP B. No changes are required at this time C. Increase to O2 to 40% D. Place on a nonrebreathing mask correct answer: No changes are required at this time Which of the following would be the most appropriate recommendation to help prevent postoperative atelectasis after a hypotensive patient's abdominal surgery? A. IPPB B. Incentive spirometry C. PEP D. CPAP correct answer: Incentive spirometry A 27 week gestational age neonate with severe RDS is receiving high frequency oscillation ventilation (HFOV). The neonate has a heart rate of 150/min and a blood pressure of 66/42 mmHg. ABGs drawn thirty minutes after initiation of HFOV are recorded below. pH - 7.24 PaCO2 - 62 torr PaO2 - 60 torr HCO3 - 23 mEq/L BE - -1 mEq/L The RT should recommend which of the following? A. Increase the oscillatory amplitude B. Increase the FiO2 C. Initiate PCV D. Decrease MAP correct answer: Increase the oscillatory amplitude