Klebsiella
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Questions and Answers

Which of the following is NOT a virulence factor of Salmonella?

  • Enterotoxin (correct)
  • Endotoxin
  • Attachment pili
  • Resistance to stomach acid

What is the most common form of Salmonella disease?

  • Salmonella enterocolitis (correct)
  • Salmonella bacteremia
  • Salmonella carrier state
  • Salmonella enteric fevers

Which of the following is NOT a symptom of Salmonella enterocolitis?

  • Fever
  • Headache (correct)
  • Vomiting
  • Nausea

Which species of Salmonella is most commonly associated with enteric fevers?

<p>S. Typhi (D)</p> Signup and view all the answers

Which of the following is NOT a characteristic of Shigella?

<p>Animal reservoir (C)</p> Signup and view all the answers

What is the main symptom of Shigella dysentery?

<p>Watery diarrhea (D)</p> Signup and view all the answers

Which strain of Escherichia coli is associated with hemorrhagic diarrhea and colitis?

<p>EHEC (D)</p> Signup and view all the answers

Which of the following is the most virulent species of Staph bacteria mentioned in the text?

<p>Staphylococcus aureus (C)</p> Signup and view all the answers

Which of the following is NOT a route of infection for Staphylococcus aureus?

<p>Inhalation of respiratory droplets (D)</p> Signup and view all the answers

Which of the following is a virulence factor of Staphylococcus aureus mentioned in the text?

<p>Protein A (A)</p> Signup and view all the answers

Which of the following types of infections caused by Staphylococcus aureus is typically suppurative (puss filled) and surrounded by necrotic tissue?

<p>Folliculitis (B)</p> Signup and view all the answers

Which of the following is a symptom of food poisoning caused by Staphylococcus aureus?

<p>Diarrhea (D)</p> Signup and view all the answers

Which of the following is a distant infection caused by Staphylococcus aureus?

<p>Toxic Shock Syndrome (D)</p> Signup and view all the answers

Which of the following is NOT a characteristic of Streptococcus pyogenes mentioned in the text?

<p>Normal flora (B)</p> Signup and view all the answers

Which bacterium is known for its antiphagocytic and attachment-aiding virulence factor called M protein?

<p>Streptococcus pyogenes (A)</p> Signup and view all the answers

Which bacterium produces streptolysin O, an oxygen-labile hemolysin?

<p>Streptococcus pyogenes (C)</p> Signup and view all the answers

Which bacterium is known for its ability to degrade DNA with the help of its virulence factor called DNase?

<p>Streptococcus pyogenes (C)</p> Signup and view all the answers

Which bacterium is known for its ability to convert plasminogen to plasmin with the help of its virulence factor called streptokinase?

<p>Streptococcus pyogenes (C)</p> Signup and view all the answers

Which bacterium is known for its ability to degrade connective tissue with the help of its virulence factor called hyaluronidase?

<p>Streptococcus pyogenes (A)</p> Signup and view all the answers

Which bacterium is known for its ability to produce rashes with the help of its erythrogenic toxin?

<p>Streptococcus pyogenes (C)</p> Signup and view all the answers

Which bacterium is known for its ability to cause acute pharyngitis/tonsillitis, also known as strep throat?

<p>Streptococcus pyogenes (C)</p> Signup and view all the answers

Which of the following is a characteristic of Yersinia pestis?

<p>It is transmitted through rat flea bites. (D)</p> Signup and view all the answers

What is the optimal growth temperature for Yersinia pestis?

<p>25-30 degrees Celsius (A)</p> Signup and view all the answers

Which of the following is a characteristic of bubonic plague?

<p>It develops painful buboes in lymph nodes. (A)</p> Signup and view all the answers

What is the mortality rate of bubonic plague?

<p>Nearly 100% (D)</p> Signup and view all the answers

Which of the following is a characteristic of pneumonic plague?

<p>It is transmitted by infectious droplets. (A)</p> Signup and view all the answers

What is the transmission route of Vibrio cholerae?

<p>Ingestion of contaminated water or seafood (B)</p> Signup and view all the answers

What is the main symptom of cholera?

<p>Severe dehydration and death (B)</p> Signup and view all the answers

Which of the following is a characteristic of non-O1 and non-O139 Vibrio cholerae?

<p>It causes milder form of gastroenteritis. (C)</p> Signup and view all the answers

What are the possible extraintestinal infections caused by Vibrio cholerae?

<p>Ear infections and cellulitis (D)</p> Signup and view all the answers

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