1. Which antibiotics would NOT be appropriate to empirically treat an E. Coli infection? Cephalexin (Keflex 2. . A 45-year-old recently immigrated Mexican farmer comes to your office complaining of dyspnea, fatigue and abdominal distention for the past two months. On physical exam, his temperature is 37 C (98F), blood pressure is 126/80 mmHg, pulse is 80/min, and respirations are16/min. You note pedal edema, elevated jugular venous pressure with positive Kussmaul's sign, and increased abdominal girth with free fluid. Chest auscultation reveals decreased heart sound intensity at the apex and an early heart sound following S2 The jugular venous pressure tracing shows prominent 'x and 'y' descents. Which of the following is the most likely cause of this patient's symptoms? Cor pulmonale 3. A Nurse Practitioner is reviewing the prepregnancy medication regimen of a patient who has just had a positive pregnancy test. The nurse should be aware of which of the following changes in pharmacokinetics that accompanies pregnancy? Increased drug distribution resulting from hemodynamic changes 4. The sequence of the physical examination should be individualized to - Minimize the number of times the patient has to change positions to conserve the patient’s energy