TMC Practice Exam A + B questions with correct answers

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: A. Continuing the therapy until breath sounds improve. B. administering dornase alpha. C. administering albuterol therapy. D. deep breathing and coughing to clear secretions. Answer D. deep breathing and coughing to clear secretions. See Patient Assessment A healthy adult female can exhale what portion of her forced vital capacity in the first second? Answer 70% 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% volume What value for the apnea-hypopnea index (AHI) is consistent with mild obstructive sleep apnea? Answer 5 to 15 The respiratory therapist is asked to evaluate the presence of Auto-PEEP on a patient receiving mechanical ventilation. In