While you are on duty in the emergency room, a 12-year-old boy arrives with pain and inflammation over the ball of his left foot and red streaks extending up the inner aspect of his leg. He remembers...

While you are on duty in the emergency room, a 12-year-old boy arrives with pain and inflammation over the ball of his left foot and red streaks extending up the inner aspect of his leg. He remembers removing a wood spliniter from the sole of his foot on the previous day. The appropriate antibiotic to prescribe while awaiting specific culture verification is() A) Penicillin B)Erythromycin C) Tetracycline D) Azathioprine E)Cloxacillin