WGU D311 Microbiology Exam Questions And Answers (2024) Graded A+ Which vaccine type has the advantages of producing long-lasting cellular and humoral immunity and allowing transmission to contacts? Answer- live attenuated Broad-spectrum antibiotics disrupt the microbiome and provide an opportunity for pathogens such as Clostridium difficile to grow and cause infection. How can the microbiome be quickly reestablished to prevent a Clostridium difficile infection?Answer- fecal transplant When would it be best to treat a patient with a narrow-spectrum antimicrobial rather than a broad-spectrum antimicrobial? Answer- when the infectious agent has been identified as a gram-negative bacterium Which outcome is a direct result of the increased "leakiness" of capillaries during inflammation? Answer- edema Which describes a mutualistic relationship? Answer- Ruminococcus species using nutrients from a cow's diet to digest plant cellulose in the rumen Which viral virulence factor requires adjustments to the influenza vaccine annually?Answer- antigenic variation A bacterial pathogen is found growing in the bloodstream of a patient. Which diagnosis is correct for this finding? Answer- septicemia Why is desiccation or dehydration an effective method of microbial control? Answer- Water concentration decreases below what is required for microbial survival Which virulence factor produced by Pesudomonas aeruginosa gives off a fruity odor? Answer- pyocyanin A dental hygienist nicked the gum of the patient during a routine cleaning. A mild infection of the gum was followed 10 days alter with acute bacterial endocarditis.Which type of infection caused the endocarditis? Answer- a focal infection A student in a lab has just completed an endospore stain of Bacillus anthracis and realized that heat was not applied during the staining technique. What will the
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