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Microbiology

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Set 21 Virulence Factors And Pathogenic Mechanisms Of Bact

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Question 1

(Multiple Choice)

Free
Tetanus toxin acts on inhibitory neurons by preventing the release of _________ from the neurons.

A)acetylcholine
B)glutamate and glutamine
C)glycine and GABA
D)acetylcholine and glutamate
E)glycine and glutamate

Answer

Question 2

(Multiple Choice)

Free
Enteropathogenic and enterohemorrhagic strains of Escherichia coli attach to host cells in the intestinal lumen via this mechanism.

A)fimbriae and capsule
B)capsule and the surface protein intimin
C)fimbriae and the surface protein intimin
D)fimbriae and LPS
E)LPS and capsule

Answer

Question 3

(Multiple Choice)

Free
Lipoteichoic acids are associated with which of these bacteria?

A)Staphylococcus aureus
B)Escherichia coli
C)Shigella sonnei
D)Klebsiella pneumoniae
E)Neisseria gonorrhoeae.

Answer