MB C13 Quiz

tokia's version from 2017-04-03 15:54

Section 1

Question Answer
1. Paul Ehrlichaccomplished two of the above
2. Penicillin was discovered by _____ and was isolated by _____Alexander Fleming; Ernst Chain and Howard Florey
3. A special group of chemical substances that are used to treat diseases caused by microbesanti kicrobial agents
4. The mode of action of an antimicrobial agent refers tohow it exerts its effects upon microorganisms
5. Polypeptide antibiotics that act as detergents and distort bacterial cellular membranes do so bydisrupting cell membrane function

Section 2

Question Answer
6. Side effects due to microbial agents may involve all of the following exceptincreased antibiotic susceptibility of replacement microflora
7. Mechanisms of bacterial resistance to anti microbial agents include all of the following exceptalteration of normal microflora
8. Mutation of DNA that produces an altered ribosome is an example of what type of bacterial resistance mechanismalteration of target
9. Which of the following is not a way to limit the ability of microorganisms to acquire drug resistancetaking antibiotics until the patients feel better
10. Rifamicininhibits RNA synthesis

section 3

Question Answer
11. The development of second-line and third-line antimicrobial agents demonstratesthe increasing difficulty of treating drug resistant bacteria
12. Clear area on agar that surrounds a filter paper disk on the disk diffusion tests and represents inhibited growth of a test microorganism is calledzone of inhibition
13. Characteristics of an ideal microbial agent include all of the following except resistance by microorganisms
14. A decreased efficacy of an antimicrobial agent during combination therapy is calledantagonism
15. The ideal antimicrobial agentshould be soluble in body fluids

section 4

Question Answer
16. Which of the antibiotics inhibit protein synthesis in susceptible bacterisamikacin
17. Chloramphenicol, a bacteriostatic antimicrobial agent, is an inhibitor ofprotein synthesis
18. Cephalosporins are notdisruptors of cell membrane function
19. The sulfonamide antibiotics kill bacteria bydisrupting folic acid metabolism
20. Interferons and immunoenhancersinclude levamisole and inosiplex

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