7. A hemodynamically stable 40-year-old man with adult respi…

7. A hemodynamically stable 40-year-old man with adult respiratory distress syndrome is being mechanically ventilated with the following settings:  Assist control- Tidal volume 500 mL; Respiratory rate 12/min; FiO2 80%; I:E ratio 1:2; PEEP 5 cmH2O. The patient’s arterial blood gas results are: PaO2 50 mmHg, PaCO2 40 mmHg, and pH 7.42. Which of the following changes in ventilator settings is most appropriate?  

51, A 29-year-old man is undergoing preoperative workup prio…

51, A 29-year-old man is undergoing preoperative workup prior to an elective procedure. His medical history is positive for von Willebrand disease, though he is unaware of the extent of the disease. He is concerned about bleeding during and following the procedure. What is the recommended treatment for patients with major bleeding in the setting of von Willebrand disease, type 1?

13. A 32-year-old woman was recently diagnosed with a urinar…

13. A 32-year-old woman was recently diagnosed with a urinary tract infection and prescribed trimethoprim-sulfamethoxazole (TMP-SMX). Three days later she returned to the hospital with complaints of fever, flu-like symptoms, and a new purpuric rash that started on her face and is now beginning to slough. What is the most likely cause of her symptoms?