Klebsiella

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Questions and Answers

Which of the following is a major problem associated with Streptococcus pyogenes infections?

  • Systemic infections
  • Localized infections
  • Nonsuppurative sequelae (correct)
  • Suppurative sequelae

Which of the following is a virulence factor of Streptococcus pyogenes?

  • Streptokinase
  • Hyaluronidase
  • DNase
  • M protein (correct)

Which of the following is a major cause of pneumonia and meningitis?

  • Streptococcus agalactiae
  • Streptococcus pyogenes
  • Streptococcus pneumoniae (correct)
  • Streptococcus mutans

Which of the following is a route of infection for Neisseria gonorrhoeae?

<p>Person-to-person transmission (C)</p> Signup and view all the answers

Which of the following is a complication of untreated gonorrhea in females?

<p>Pelvic inflammatory disease (PID) (A)</p> Signup and view all the answers

Which of the following is a major cause of fatal bacterial meningitis in young adults?

<p>Neisseria meningitidis (C)</p> Signup and view all the answers

Which of the following is a characteristic of most Enterobacteriaceae?

<p>They are normal inhabitants of the GI tract (C)</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 (B)</p> Signup and view all the answers

Which of the following is a route of infection for Staphylococcus aureus?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following is NOT a virulence factor of Staphylococcus aureus?

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

Which of the following is a characteristic of Staphylococcus aureus skin and wound infections?

<p>They are typically suppurative (puss filled) and surrounded by necrotic tissue (A)</p> Signup and view all the answers

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

<p>Nausea, vomiting, cramping begin in 1-8 hours (D)</p> Signup and view all the answers

Which of the following is a characteristic of Scalded Skin Syndrome caused by Staphylococcus aureus?

<p>Skin peels off in sheets (A)</p> Signup and view all the answers

Which of the following is NOT a characteristic of Streptococcus pyogenes?

<p>It is normal flora (B)</p> Signup and view all the answers

Which of the following is true about Salmonella enterocolitis?

<p>It is usually self-limiting and lasts for 2-7 days (D)</p> Signup and view all the answers

Which of the following is a characteristic of Salmonella bacteremia?

<p>It leads to prolonged fever with intermittent bacteremia (A)</p> Signup and view all the answers

Which of the following is true about Salmonella enteric fevers?

<p>They begin with inflammation of the intestine followed by invasion of lymph nodes (B)</p> Signup and view all the answers

Which of the following is a characteristic of Shigella dysentery?

<p>It is highly contagious (C)</p> Signup and view all the answers

Which of the following is true about Escherichia coli enteropathogenic (EPEC) infections?

<p>They are associated with children under 2 years old (A)</p> Signup and view all the answers

Which of the following is a characteristic of Escherichia coli extra-intestinal infections?

<p>They can cause urinary tract infections (A)</p> Signup and view all the answers

Which of the following is true about Klebsiella pneumoniae?

<p>It is an opportunistic pathogen (B)</p> Signup and view all the answers

Which of the following is true about Klebsiella pneumoniae?

<p>It is a common cause of urinary tract infections and wound infections. (B)</p> Signup and view all the answers

Which of the following is a characteristic of Proteus spp.?

<p>It produces swarming colonies. (A)</p> Signup and view all the answers

What is the most common isolate of Proteus?

<p>P. mirabilis (B)</p> Signup and view all the answers

Which of the following is true about Yersinia pestis?

<p>It is transmitted via 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 (D)</p> Signup and view all the answers

Which of the following is true about bubonic plague?

<p>It is characterized by a lesion in the lymph node. (D)</p> Signup and view all the answers

How is pneumonic plague transmitted?

<p>By infectious droplets (sneezing, coughing) (D)</p> Signup and view all the answers

Which of the following is a characteristic of Vibrio cholerae?

<p>It is a curved gram-negative rod. (D)</p> Signup and view all the answers

What is the main mode of transmission for toxigenic strains of Vibrio cholerae?

<p>Ingestion of contaminated water or improperly prepared food (C)</p> Signup and view all the answers

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