51. The purpose of an analytical study is to A. identify the person, place, and

Question

51. The purpose of an analytical study is to A. identify the person, place, and time of an outbreak. B. identify risk factors that result in high frequencies of disease. C. assess the effectiveness ofpreventive measures D. determine the effictiveness of a placebo. E. none of the above. Antibiotic resistance Ch 20.5 52. Bacteria may become antibiotic resistant due to A. drug-inactivating enzymes. B. alteration in the target molecule. C. decreased uptake of the drug D. increased elimination of the drug. E. Ail of the choices are correct. od of transfer of antimicrobial resistance is through the use of 53. The most common meth A. viruses B. R plasmids. C. introns. D. exons. 4 Compliance problems are leading to a large increase in antibiotic resistant st A. Streptococcus B. Staphylococcus. C. Mycobacterium. D. Pseudomonas. E. Enterobactericiae rains of the crossing of zoonotic pathogens to human hosts. 55. Diapedesis refers to A. True B. False

Explanation / Answer

51. The purpose of the analytical study is to identify and quantify associations, test hypothesis, identify causes and determine whether associations exist between variables, such as between an exposure and a disease. So, the answer should be none of the above.

52. Bacteria may become antibiotic resistance due to all of the given choices.

53. The most common method of transfer of antimicrobial resistance is through the use of R plasmids or resistance transfer factor plasmid.

54. Compliance problems are leading to a large increase in antibiotic-resistant strains of Mycobacterium.

55. False. It is actually the passage of blood cells through the intact walls of the capillaries, typically accompanying inflammation.

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