1. A 34-year-old wom an w ith no previous history of disease complained to her physician of burning on urination, bladder pain, and frequent urination of a sm all volum e. A m icroorganism isolated...

1. A 34-year-old wom an w ith no previous history of disease complained to her physician of burning on urination, bladder pain, and frequent urination of a sm all volum e. A m icroorganism isolated from her urine grew on EMB (eosin m ethylene blue) agar, produced green colonies, was m otile, and was urease-negative. A diagnosis of urinary tract infection was m ade, and antibiotic therapy was prescribed. Which of the follow ing drugs would be appropriate for the patient’s disease? A. Erythromycin B. Clindamycin C. Vancomycin D. Cephalexin E. Penicillin G