TEST BANK FOR INFECTION CONTROL AND MANAGEMENT OF HAZARDOUS MATERIALS FOR THE DENTAL TEAM 6TH EDITION BY MILLER

Chapter 02: Characteristics of Microorganisms Miller: Infection Control and Management of Hazardous Materials for the Dental Team, 6th Edition MULTIPLE CHOICE 1. Under what conditions do regular bacteria, excluding Richettsia and Chlamydia, multiply: a. in the absence of nutrients. b. only when they are inside of living cells. c. when they are outside of living cells. d. only when the temperature is below 7°C. ANS: C Nothing can grow in the absence of nutrients. Rickettsia and Chlamydia are the only bacteria that can grow inside living cells. Regular bacteria do not need to be inside living cells to grow. They can obtain their nutrients from the environment. Only the special bacteria called psychrophiles can grow at these low temperatures. PTS: 1 DIF: Application REF: p. 12 OBJ: 1 TOP: CDA, Infection Control, I.A. Demonstrate an understanding of infectious diseases and their relationship to patient safety and occupational risk 2. Select an environment in which viruses can multiply. a. Only in the absence of nutrients b. Only when they are inside of living cells c. Only when they are outsiNde oR f livI ingGcelB ls. d. Only when the temperature is below 7T°C ANS: B Nothing can grow in the absence of nutrients. Viruses need the nutrients and metabolic machinery of living cells to multiply. Viruses cannot obtain their nutrients from the environment. Only the special bacteria called psychrophiles can grow at these low temperatures. PTS: 1 DIF: Application REF: p. 14 OBJ: 2 TOP: CDA, Infection Control, I.A. Demonstrate an understanding of infectious diseases and their relationship to patient safety and occupational risk 3. Which of the following microbes is a yeast? a. Streptococcus mutans b. Trichomonas vaginalis c. Candida albicans d. Staphylococcus aureus ANS: C Streptococcus mutans is a bacterium. Trichomonas vaginalis is a protozoan. Candida albicans can exist as a yeast which is a special fungus. Staphylococcus aureus is a bacterium. PTS: 1 DIF: Recall REF: p. 15 OBJ: 3 TOP: CDA, Infection Control, I.A. Demonstrate an understanding of infectious diseases and their relationship to patient safety and occupational risk