TMC Practice Exam A + B Missed Questions with complete solutions

A 19-year-old patient is brought to the Emergency Department after taking a handful of pills. The patient is obtunded but is making regular, sonorous respiratory efforts. Auscultation reveals coarse rhonchi bilaterally. Which of the following should be done FIRST to assess this patient? A. Obtain a sputum specimen. B. Obtain an ABG. C. Measure peak expiratory flow. D. Determine the Glasgow Coma Score. correct answer: B. Obtain an ABG. A young healthy adult with complaints of intermittent wheezing is seen in the pulmonary clinic. A pre/post bronchodilator spirometry reveals a normal study with no reversibility. Which of the following should the respiratory therapist recommend? A. Helium dilution study B. DLCO C. Plethysmography D. Bronchial provocation correct answer: D. Bronchial provocation Following abdominal surgery, a 70 year-old patient receives mechanical ventilation in the ICU at the following settings: VC, A/C; VT 550 mL, respiratory rate 14/min, FIO2 0.50 and 10 cm H2O PEEP. Bedside monitoring results demonstrate that the PvO2 is 35 torr and the SpO2 is 90%. The patient is alert and oriented with stable vital signs. Which of the following should the respiratory therapist recommend? A. Decrease the PEEP. B. Increase the FIO2. C. Initiation diuretic therapy. D. Continue to monitor closely. correct answer: B. Increase the FIO2. The respiratory therapist obtains a blood gas sample from the patient's radial artery and applies pressure to the site for 10 minutes. After removing any excess air from the syringe, the next step for proper handling of the blood sample is: A. adding liquid heparin to the sample. B. placing the syringe in an ice bath. C. shaking the sample continuously. D. applying a pressure bandage. correct answer: B. placing the syringe in an ice bath. Rationale: it's been over 10 mins and the sample will continue to metabolize/eat up O2 otherwise A 72 year-old female post stem cell transplant patient in