1. A 23-year-old wom an com plained to her physician of urinary frequency, pain upon urination, and a m ucopurulent vaginal discharge. One year earlier, the patient had undergone an anaphylactic...

1. A 23-year-old wom an com plained to her physician of urinary frequency, pain upon urination, and a m ucopurulent vaginal discharge. One year earlier, the patient had undergone an anaphylactic reaction to penicillin. A Gram stain of the exudate revealed gram -negative cocci. W hich of the follow ing drugs would be contraindicated for this patient? A. Doxycycline B. Cipro oxacin C. Ceftriaxone D. Erythromycin E. Trim ethoprim -sulfam etoxazole 2. A 32-year-old wom an was seen at a clinic because of 2 days of headache w ith joint and m uscle pain. Physical exam ination revealed nuchal rigidity and a petechial rash on the lower extrem ities. A Gram stain of her spinal uid showed m any neutrophils and m any gram -negative, bean-shaped diplococci. Which of the follow ing drugs would be m ost appropriate for the therapy of this patient? A. Tetracycline B. Penicillin G C. Erythromycin D. Aztreonam E. Tobramycin F. Metronidazole