Page 218 - Review of Medical Microbiology and Immunology ( PDFDrive )
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mebooksfree.com mebooksfree.com mebooksfree.com ANSWERS CHAPTER 24 Spirochetes 207 mebooksfree.com
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5. Regarding B. burgdorferi and Lyme disease, which one of the fol-
lowing is most accurate?
1. (C)
(A) Borrelia burgdorferi infects a larger percentage of the rodent
2. (A)
reservoir in western states, such as California, than in north-
3. (B)
eastern states, such as New York.
4. (C)
(B) Pathogenesis of Lyme disease is based on the production of an
exotoxin that induces interleukin-2 production by T-helper
6. (D)
cells.
(C) The vaccine against Lyme disease contains the capsular poly-
saccharide of all four serotypes as the immunogen. 5. (E)
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SUMMARIES OF ORGANISMS
(D) Close family members of those infected with B. burgdorferi
should be given ciprofloxacin.
Brief summaries of the organisms described in this chapter
(E) Borrelia burgdorferi is transmitted to humans by the bite of
ticks of the genus Ixodes.
6. Benzathine penicillin G is used to treat primary and secondary
review of the essential material.
syphilis rather than procaine penicillin G. Which one of the fol-
lowing is the best reason for this choice?
(A) Patients allergic to procaine penicillin G are not allergic to
PRACTICE QUESTIONS: USMLE &
benzathine penicillin G.
COURSE EXAMINATIONS
(B) Benzathine penicillin G has a higher minimal inhibitory con-
centration than procaine penicillin G.
(C) Benzathine penicillin G penetrates the central nervous system
in the Clinical Bacteriology section of Part XIII: USMLE
to a greater degree than procaine penicillin G.
(National Board) Practice Questions starting on page 713. Also
(D) Benzathine penicillin G is a depot preparation that provides a Questions on the topics discussed in this chapter can be found
see Part XIV: USMLE (National Board) Practice Examination
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long-lasting, high level of drug that kills the slow-growing
starting on page 751.
T. pallidum.
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