TEST BANK FOR FOCUS ON NURSING PHARMACOLOGY 7TH EDITION CHAPTER 8 BY[ KARCH]
Chapter 08- Anti-infective Agents 1. A patient asks the nurse how an anti-infective produces a therapeutic effect. What key point will the nurse explain to this patient? A) Drugs used to treat infections date back to the 17th century. B) All anti-infectives work in the same way to destroy organisms. C) Selective toxicity determines the appropriate drug dosage needed. D) The goal of anti-infectives is to interfere with normal functioning of the organism. Ans: D Feedback: The goal of anti-infectives is to interfere with the normal function of the invading organism to prevent it from reproducing and to cause cell death without affecting host cells. Each class of anti-infectives works in a different way, but all have the same goal. Because bacteria cells have a slightly different composition than human cells, the bacteria are destroyed without interfering with the host. The first drugs used to treat systemic infections were developed in the early 20th century. The term selective toxicity refers to the ability to affect certain proteins or enzyme systems that are used by infecting organisms, but not by human cells. 2. The nursing student learns about anti-infectives in class and demonstrates the need to study more when making what statement about how anti-infectives work? A) Some anti-infectives interfere with biosynthesis of the pathogen’s cell wall
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