One week postdelivery, an infant boy becomes extremely irritable and continuously rubs his right eye, which contains a mucopurulent exudate. An examination of the eye shows papillae on the conjunctiva. No bacteria are seen in the exudate. The most likely causative infectious agent is
A) Candida albicans B) Chlamydophila trachomatis C) Cytomegalovirus D) Herpes simplex virus
A 58-year-old man presents at your office complaining of extreme pain in his right testicle. Physical examination shows considerable swelling. A small amount of urethral exudate could be aspirated. Microscopic examination and Gram staining showed the presence of bacteria. Those bacteria most likely are
A) Gram-negative cocci B) Gram-negative diplococci C) Gram-positive cocci D) Gram-positive rods
A 22-year-old woman presents with symptoms of vaginitis, including a yellowish discharge. She claims to have not been sexually active for 18 months. When KOH is added to the discharge, a "fishy" odor appears. She is most likely infected with
A) Candida albicans B) Chlamydophila trachomatis C) Gardnerella vaginalis D) Herpes simplex virus 2