1. Which of the following is more likely to cause urinary tract infections?

A) fimbriated strains of Escherichia coli B) non-fimbriated strains of Escherichia coli C) both fimbriated and non-fimbriated strains of Escherichia coli D) None of the answers are correct.

2. Capsules are particularly important for...

A) making bacteria more vulnerable to host defense mechanisms. B) making bacteria less pathogenic. C) protecting bacteria from host defense mechanisms. D) allowing bacteria to become more phagocytic.

3. Pathogenicity is the ability...

A) of the host to inflict damage on the pathogen. B) of the host to resist damage by the pathogen. C) of the pathogen to inflict damage on the host. D) None of these are correct.

4. Exotoxins are ________, but endotoxins are ________.

A) lipopolysaccharide-lipoprotein complexes / proteins B) carbohydrates / proteins C) lipids / proteins D) proteins / lipopolysaccharide-lipoprotein complexes

5.Tetanus toxin causes..

A) muscles to be unable to relax. B) muscles to be unable to contract. C) severe diarrhea. D) hemolytic uremic syndrome.

Solutions

Expert Solution

gladiator answered 1 year ago

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