Page 343 - Review of Medical Microbiology and Immunology ( PDFDrive )

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7. (A)mebooksfree.com
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PART IV Clinical Virology
332
8. Human T-cell lymphotropic virus (HTLV) causes T-cell leuke-
mia in adults. Regarding this virus, which one of the following
1. (B)
statements is most accurate?
2. (B)
(A) HTLV is transmitted primarily by the fecal–oral route.
3. (E)
(B) Oseltamivir cures the latent state established by HTLV within
4. (A)
T cells.
5. (B)
(C) The genome of HTLV consists of double-stranded RNA;
6. (C)
therefore, there is no polymerase in the virion.
(D) HTLV is associated with leukemia in Japan, but the virus has
8. (E)
not appeared in the United States at the present time. 10. (E)
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9. (D)
(E) Oncogenesis by HTLV is related to a viral transcription factor
that activates the production of interleukin-2 and its
receptor.
9. Your patient is a 75-year-old woman with fever, chills, and myal-
gias that began yesterday. It is January and an outbreak of influ-
enza is occurring in the retirement community in which she
Brief summaries of the organisms described in this chapter
lives. A rapid test for influenza antigen is positive. Which one of
begin on page 671. Please consult these summaries for a rapid
the following is the best choice of drug to treat the infection?
review of the essential material.
(A) Acyclovir
(B) Amantadine
(C) Interferon
(D) Oseltamivir
COURSE EXAMINATIONS
(E) Ribavirin
10. Regarding Ebola virus, which one of the following is most PRACTICE QUESTIONS: USMLE &
Questions on the topics discussed in this chapter can be found
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accurate?
in the Clinical Virology section of Part XIII: USMLE (National
(A) Skunks and raccoons are the main natural reservoirs for
Board) Practice Questions starting on page 723. Also see Part
Ebola virus.
(B) In endemic areas, most people are latently infected with Ebola
on page 751.
virus.
(C) People known to be exposed to Ebola virus should be given
ganciclovir to prevent disease.
(D) Ebola hemorrhagic fever occurs primarily in people with
deficient cell-mediated immunity.
(E) The appearance of Ebola virus in the electron microscope is
that of a long thread, which often has a curved end.
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