Page 388 - Review of Medical Microbiology and Immunology ( PDFDrive )

P. 388

mebooksfree.com
mebooksfree.com
mebooksfree.com

mebooksfree.com
mebooksfree.com
mebooksfree.com
mebooksfree.com mebooksfree.com mebooksfree.com SUMMARIES OF ORGANISMS 377 mebooksfree.com
mebooksfree.com
mebooksfree.com
CHAPTER 44 Slow Viruses & Prions
4. Regarding prion-mediated diseases, which one of the following is
the most accurate?
Brief summaries of the organisms described in this chapter
(A) Prion-mediated diseases are characterized by vacuoles in the
begin on page 677. Please consult these summaries for a rapid
brain called “spongiform changes.”
(B) Variant Creutzfeldt-Jakob disease is a disease of cattle caused
review of the essential material.
by the ingestion of sheep brain mixed into cattle feed.
(C) Kuru is a prion-mediated disease for which the diagnosis can
be confirmed in the laboratory by a fourfold or greater rise in
antibody titer.
COURSE EXAMINATIONS
(D) In Creutzfeldt-Jakob disease, only neurons latently infected by PRACTICE QUESTIONS: USMLE &
mebooksfree.com
mebooksfree.com
mebooksfree.com mebooksfree.com mebooksfree.com XIV: USMLE (National Board) Practice Examination starting mebooksfree.com
Questions on the topics discussed in this chapter can be found
JC virus produce the prion filaments that disrupt neuronal
function.
in the Clinical Virology section of Part XIII: USMLE (National
(E) Creutzfeldt-Jakob disease occurs primarily in children under
Board) Practice Questions starting on page 723. Also see Part
the age of 2 years because they cannot mount an adequate
immune response to the prion protein.
on page 751.
ANSWERS
1. (B)
2. (B)
3. (C)
4. (A)
mebooksfree.com mebooksfree.com mebooksfree.com mebooksfree.com mebooksfree.com mebooksfree.com

mebooksfree.com mebooksfree.com mebooksfree.com mebooksfree.com mebooksfree.com mebooksfree.com

383 384 385 386 387 388 389 390 391 392 393