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WGU D311 Microbiology Exam Questions And Answers (2024) Graded A+
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WGU D311 Microbiology Exam Questions And Answers (2024) Graded A+
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D311 Microbiology Exam Questionsb b b1.Which vaccine type has the advantages of producing long-lasting cellular and
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b humoral immunity and allowing transmission to contacts?: live attenuated
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2.Broad-spectrum antibiotics disrupt the microbiome and provide an oppor- b b b b b b b b
b tunity for pathogens such as Clostridium difficile to grow and cause infection.
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b How can the microbiome be quickly reestablished to prevent a Clostridium
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b difficile infection?: fecal transplant
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3.When would it be best to treat a patient with a narrow-spectrum antimicro-
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b bial rather than a broad-spectrum antimicrobial?: when the infectious agent has
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b been identified as a gram-negative bacterium
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4.Which outcome is a direct result of the increased "leakiness" of capillaries
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b during inflammation?: edema
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5.Which describes a mutualistic relationship?: Ruminococcus species using
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b nutrients from a cow's diet to digest plant cellulose in the rumen
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6.Which viral virulence factor requires adjustments to the influenza vaccine
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b annually?: antigenic variation b b
7.A bacterial pathogen is found growing in the bloodstream of a patient. Which
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b diagnosis is correct for this finding?: septicemia
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8.Why is desiccation or dehydration an effective method of microbial con-
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, D311 Microbiology Exam Questions
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b trol?: Water concentration decreases below what is required for microbial survival
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9.Which virulence factor produced by Pesudomonas aeruginosa gives off a
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b fruity odor?: pyocyanin
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10.A dental hygienist nicked the gum of the patient during a routine cleaning. A
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b mild infection of the gum was followed 10 days alter with acute bacterial
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b endocarditis. Which type of infection caused the endocarditis?: a focal infection
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11.A student in a lab has just completed an endospore stain of Bacillus
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b anthracis and realized that heat was not applied during the staining technique.
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b What will the student see upon microscopic examination of the slide?: pink
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b vegetative cells with clear round areas b b b b b
12.Why are diseases like Legionnaires' disease considered noncommunica-
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b ble?: Once a person contracts this disease, they can not pass it to another person
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13.Why is there a resurgence in whooping cough and measles in the United
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b States?: more opposition to childhood vaccination
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14.What microbial process is used by bacteria and fungi to produce many
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b common food products, such as soy sauce, bread, and yogurt?: fermentation
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15. After oral antibiotic therapy, a patient is diagnosed with vaginitis. What type
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b of microbe could be causing this opportunistic infection?: fungus
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16.Which beneficial role do viruses have in the environment?: integrating into
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