NBRC CRT Practice Test #1

A patient is admitted to the ED following a vehicle accident. On physical exam, the RT discovers that breath sounds are absent in the left chest with a hyper resonant percussion note. The trachea is shifted to the right. The patient's heart rate is 45/min, RR is 30/min and BP is 60/40 mmHg. What action should the therapist reccomend first? - Answer- Needle aspirate the 2nd left intercostal space A 65kg spinal cord injured patient has developed atelectasis. His inspiratory capacity is 30% of his predicted value. What bronchial hygiene therapy would be most appropriate initially? - Answer- IPPB with normal saline A healthy adult female can exhale what portion of her forced vital capacity in the first second? - Answer- 70% A patient on VC ventilation has demonstrated auto-PEEP on ventilator graphics. Which of the following controls, when adjusted independently, would increase expiratory time? - Answer- Tidal volume, Respiratory Rate and Inspiratory flow A 55 y/o post cardiac surgery patient has the following ABG results: pH 7.50, PaCO2 30 torr, PaO2 62 torr, HCO3 25 mEq/L, SaO2 92%, HB 14 g;dL, BE +2. Venous blood gas results are pH 7.39, PvCO2 43 torr, PvO2 37 torr, and SvO2 66%. Calculate the patient's C(a-v)O2. - Answer- 4.0 vol% TO SOLVE: - Use formula: C(a-v)O2 = CaO2 - CvO2 - CaO2 = (Hb x 1.34 x SaO2) + (PaO2 x 0.003) **Normal amounts are 4-5% Immediately after extubation of a patient in the ICU, the RT observes increasing respiratory distress with intercostal retractions and marked stridor. The SpO2 on 40% O2 is noted to be 86%. What would be the most appropriate response at this time? - Answer- Reintubation (due to marked stridor) What may be obtained from a FVC maneuver during beside PFTs? - Answer- FEV1 and PEFR What suction catheter would be appropriate for a patient with a size 8.0mm ID ETT? - Answer- 12 Fr - Use formula ID size/2 X 3 The RT notes a developing hematoma after and ABG was drawn from the right radial