Pharmacology- Exam 3 Study Guide.docx

Pharmacology- Exam 3 Anti- Infectives (Antibiotics, Antivirals, Antifungals) Antibiotics  Cause disease in two ways: 1. Invasiveness ◦ Divide rapidly to overcome and cause direct damage 2. Toxins ◦ Very small amounts disrupt normal cell function  Community-associated infections ◦ An infection that is acquired by a person who has not been hospitalized or had a medical procedure within the past year  Health care–associated infections (nosocomial) ◦ Contracted in a hospital or institutional setting  Infection was not present or incubating in the patient on admission to the facility ◦ More difficult to treat because causative microorganisms are often drug resistant and the most virulent…plus patients are sick!! ◦ Occur in 10% of hospitalized patients ◦ UTIs are the MOST common Prevention  Hand washing  Disinfectant ◦ Kills organisms ◦ Used only on nonliving object