Astroviridae Flashcards
1
Q
T/F:
Astro viruses are so named because all of the virions have characteristic 5 or 6-pointed stars on their surface.
A
False
Only 10% of virions have the star shapes on surface
2
Q
Astroviridae is characterized by the following EXCEPT:
A. Linear, single-stranded positive sense RNA
B. Single molecule genome (haploid)
C. Star shapes on some of the virions
D. Severe enteritis in young mammals
A
D.
Mild, self-limiting enteritis
3
Q
Astrovirus destroys which of the following cells?
A. Crypt enterocytes B. All types of enterocytes C. M cells D. Absorptive enterocytes E. C and D only
A
E
Remember, M cells form domes that overlay Peyer’s Patches
