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Streptococcus

21.

A urine sample was taken from a 30 year old who had symptoms related with urinary tract infection, she complained of painful and frequent urination with blood in the urine. Which of the following pathogen is Not most commonly found in the urine sample?

Answer: C

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22.

A 2 days old premature baby boy born to a 22-year-old woman developed a pneumonia, the mother was healthy but after the premature delivery she showed the symptoms of urinary tract infection. The blood specimen was taken from the baby, beta hemolytic colonies was observed in the culture plate. Which could be the possible pathogen that might have transferred from the mother to the baby and caused infection?

Answer: B

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Answer: C

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24.

Which of the following is a major virulence factor of Streptococcus pneumoniae?

Answer: A

The major virulence factor is the polysaccharide capsule, which effectively inhibits phagocytosis.

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25.

Which of the following bacteria is Not is a part of the normal human microbiota?

Answer: C

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26.

Streptococus pyogenes comprises which Lancefield group?

Answer: A

Streptococus pyogenes comprises Lancefield group A. This organism causes several diseases like sore throat, scarlet fever etc.

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27.

Which of the following bacteria is most resistant to the drug vancomycin?

Answer: A

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Answer: A

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29.

Antibiotics can easily reach the staphylococci.

Answer: B

Antibiotics have difficulty in reaching the staphylococci and may have to be administered to a patient for a long period in order to be effective.

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Answer: D

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