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Microbiology

Short Answer

MicrobiologyShort Answer

Short Answer

33.

Where do antimicrobials come from naturally? Why?

34.

Why was Salvarsan considered to be a “magic bullet” for the treatment of syphilis?

35.

When prescribing antibiotics, what aspects of the patient’s health history should the clinician ask about and why?

36.

When is using a broad-spectrum antimicrobial drug warranted?

37.

If human cells and bacterial cells perform transcription, how are the rifamycins specific for bacterial infections?

38.

What bacterial structural target would make an antibacterial drug selective for gram-negative bacteria? Provide one example of an antimicrobial compound that targets this structure.

39.

How does the biology of HIV necessitate the need to treat HIV infections with multiple drugs?

40.

Niclosamide is insoluble and thus is not readily absorbed from the stomach into the bloodstream. How does the insolubility of niclosamide aid its effectiveness as a treatment for tapeworm infection?

41.

Why does the length of time of antimicrobial treatment for tuberculosis contribute to the rise of resistant strains?

42.

What is the difference between multidrug resistance and cross-resistance?

43.

How is the information from a Kirby-Bauer disk diffusion test used for the recommendation of the clinical use of an antimicrobial drug?

44.

What is the difference between MIC and MBC?

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