1) It is sometimes best to use two different antibiotics in order to treat an infection. This might happen because of the : -Symbiotic effects of the drugs -Synergistic effects of the drugs -Antagonistic effects of the two drugs

As an illustration, a patient undergoing a laparoscopic-assisted vaginal hysterectomy (LAVH) procedure under general anesthesia might be happier not to know the numbers of portals of entry for potential transmission of pathogenic microbes to which she will be subjected. The anesthesia provider would be accessing the patients airway and vascular system by an IV line. Which portals of entry will the surgeon be accessing?