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AAB MT MICROBIOLOGY REVIEW EXAM QUESTIONS AND ANSWERS
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AAB MT MICROBIOLOGY REVIEW EXAM QUESTIONS AND ANSWERS
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AAB MT MICROBIOLOGY REVIEW EXAMQUESTIONS AND ANSWERS
The core (genome) of the HIV virion contains:
A. DNA
B. RNA
C. Both RNA and DNA
D. Neither RNA or DNA - Answer-B. RNA
What two glycoproteins are expressed on the surface of influenza A viruses and are
used for subtyping of the viruses?
A. Hemagglutinin and Neuraminidase
B. Glycoprotein120 (gp120) and Protein 24 (p24)
C. Glycoprotein 41 (gp41) and glycoprotein 120 (gp120)
D. Neuraminidase and protein 24(p24) - Answer-A. Hemagglutinin and Neuraminidase
A tech is testing a sorbitol negative isolate for possible E.coli O157: H7 from
MacConkey with sorbitol agar plate. The biochemical identification proves the organism
is E.coli. Serological testing for the O157 somatic antigen is positive. Serological testing
for the H7 flagellar antigen is negative. QC for all serological testing passed. What
should the tech do next?
A. Report out the organism as E.coli O157:H7
B. Repeat biochemical testing
C. Repeat O157 serological testing
D. Subculture the organism to motility medium for repeat H7 serological testing -
Answer-D. Subculture the organism to motility medium for repeat H7 serological testing
The beta hemolysis seen around the opaque, flat, spreading colonies on a 5% BAP is
helpful in differentiating Bacillus cereus (hemolytic) from Bacillus anthracis (not
hemolytic). Each of the following characteristics is also helpful in differentiating these
two species EXCEPT:
A. Motility
B. Hydrolysis of gelatin
C. Lecithinase production
D. Fermentation of salicin - Answer-C. Lecithinase production
All of the organisms below are known to cause gastroenteritis, EXCEPT:
A. Moraxella catarrhalis
B. Campylobacter jejuni
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