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TMC Practice Exam A Updated (Graded A+)
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TMC Practice Exam A Updated 2022 (Graded A+) A 48 year-old female is admitted to the ED with diaphoresis, jugular venous distension, and 3+ pitting edema in the ankles. These findings are consisten... t with -Answer: heart failure A patient is admitted to the ED following a motor vehicle accident. On physical exam, the respiratory therapist discovers that breath sounds are absent in the left chest with a hyperresonant percussion note. The trachea is shifted to the right. The patient's heart rate is 45/min, respiratory rate is 30/min, and blood pressure is 60/40 mm Hg. What action should the therapist recommend first? -Answer: Needle aspirate the 2nd left intercostal space All of the following strategies are likely to decrease the likelihood of damage to the tracheal mucosa EXCEPT -Answer: using a low residual volume, low compliance cuff A 52 year-old post-operative cholecystectomy patient's breath sounds become more coarse upon completion of postural drainage with percussion. The respiratory therapist should recommend -Answer: deep breathing & coughing to clear secretions A 65 kg spinal cord injured patient develops atelectasis. His inspiratory capacity is 30% of his predicted value. What bronchial hygiene therapy would be most appropriate initially? -Answer: IPPB A healthy adult female can exhale what portion of her forced vital capacity in the first second? -Answer: 70% A patient on VC ventilation demonstrates auto-PEEP on ventilator graphics. Which of the following controls, when adjusted independently, would increase expiratory time? 1. Tidal volume 2. respiratory rate 3. inspiratory flow 4. sensitivity -Answer: 1, 2, and 3 only Which of the following would be the most appropriate therapy for a dyspneic patient who has crepitus with tracheal deviation to the left and absent breath sounds on the right? -Answer: insert a chest tube Following cardiac surgery, a 55 year-old 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: 5.0 vol % A patient on VC, SIMV with a VT of 500 mL has a PIP of 25 cm H2O, Pplat of 15 cm H2O and PEEP of 5 cm H2O. What is the patient's static lung compliance? -Answer: 50 mL/cm H2O [Show More]
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