MICROBIOLOGY FINAL LECTURE EXAM A & B, LATEST 2023 (100% ACCURATE GRADE A+)

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1. An epidemic disease is one that A. breaks out in higher than usual proportions in a population. 2. Chronic diseases are those that A. develop rapidly and come to a climax. B. linger for long pe... riods of time. C. occur in epidemic proportions. D. are subclinical 3. A scientist who studies the patterns of disease in a community and attempts to locate its source is called a(n) B. epidemiologist. 4. What specific job is this person fulfilling? She isolates the cause of an outbreak, prevents its spread, and gets out public health messages to people who could have been exposed. C. Epidemiologist 5. The relationship between the human body and its microbiota D. is an example of a symbiosis. 6. Which of the following would be the reservoir of infection for a zoonosis? D. Animal 7. Which of the following is an example of indigenous microbiota? A. Escherichia coli in the intestines B. Candida albicans in the intestines C. Lactobacillus in the human vagina D. All of the above are correct 8. Indigenous microbiota may be found in all of the following environments except A. the blood. 9. Which one of the following does not contribute to the virulence of a bacterial species? D. Its ability to grow on artificial laboratory media. 10. Certain microorganisms inhabit parts of the body without causing symptoms of disease. These organisms collectively are referred to as A. indigenous microbiota. 11. The degree to which an organism is able to cause disease is referred to as its B. pathogenicity 12. Pathogenicity islands refer to B. clusters of genes responsible for virulence. 13. Opportunistic organisms are those that C. are usually commensals but can cause disease when body defenses are suppressed. 14. The organisms that infect individuals with AIDS D. are examples of opportunistic organisms [Show More]

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