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Questions and Answers

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

  • They do not cause any symptoms
  • They are caused by streptococcus pyogenes
  • They are typically non-suppurative
  • They are surrounded by necrotic tissue (correct)

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

  • Protein A
  • Enzymes
  • Leucocidins (correct)
  • Enterotoxins

    • Which of the following is true about streptococcus pyogenes?

  • It causes food poisoning
  • It is also known as Group A Strep (correct)
  • It is a normal flora of the skin
  • It is a gram-negative bacterium

    • Which organism is commonly found in the upper respiratory tract of 5% of the population?

    <p>Klebsiella</p> Signup and view all the answers

    Which organism causes plague and is transmitted via rat flea bites?

    <p>Yersinia pestis</p> Signup and view all the answers

    Which organism is associated with epidemics and pandemics of cholera and is spread mainly by contaminated water or improperly prepared food?

    <p>Vibrio cholerae</p> Signup and view all the answers

    Which organism causes acute, severe gastroenteritis, vomiting, and profuse watery diarrhea, leading to severe dehydration and death?

    <p>Vibrio cholerae</p> Signup and view all the answers

    Which of the following is a virulence factor of Strep. Pyogenes?

    <p>M protein</p> Signup and view all the answers

    Which of the following is a major problem associated with Strep. Pyogenes infections?

    <p>Nonsuppurative sequelae</p> Signup and view all the answers

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

    <p>Streptococcus pneumoniae</p> Signup and view all the answers

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

    <p>Sexual transmission</p> Signup and view all the answers

    Which of the following is a virulence factor of Salmonella?

    <p>Endotoxin</p> Signup and view all the answers

    Which species of Salmonella is commonly associated with typhoid fever?

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

    What is the main route of transmission for Shigella infections?

    <p>Person-to-person</p> Signup and view all the answers

    What is the most common cause of urinary tract infections (UTIs) caused by Escherichia coli?

    <p>Pili adherence</p> Signup and view all the answers

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

    <p>M protein</p> Signup and view all the answers

    Which of the following is a nonsuppurative sequelae associated with Streptococcus pyogenes infections?

    <p>Rheumatic fever</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</p> Signup and view all the answers

    Which of the following is a common symptom of gonorrhea in males?

    <p>Prostatitis</p> Signup and view all the answers

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

    <p>Sexual transmission</p> Signup and view all the answers

    Which of the following is a virulence factor of Neisseria meningitidis?

    <p>Capsule</p> Signup and view all the answers

    Which of the following is a characteristic of Enterobacteriaceae?

    <p>Most are motile</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</p> Signup and view all the answers

    Which of the following is a virulence factor of Staphylococcus aureus?

    <p>Enzymes</p> Signup and view all the answers

    What is the most common route of infection for Staphylococcus aureus?

    <p>Trauma/abrasion (enter normally sterile site)</p> Signup and view all the answers

    Which of the following is a characteristic of Streptococcus pyogenes?

    <p>It is beta hemolytic</p> Signup and view all the answers

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

    <p>Exfoliative toxins</p> Signup and view all the answers

    Which of the following is a route of infection for Streptococcus pyogenes?

    <p>Person-to-person via contaminated respiratory droplets or secretions</p> Signup and view all the answers

    Which of the following is a characteristic of Staphylococcus aureus infections?

    <p>They can cause toxic shock syndrome</p> Signup and view all the answers

    Which organism is associated with the most severe form of dysentery, causing necrosis, ulceration, and inflammation of the large intestine, with symptoms including high fever, chills, and abdominal cramps?

    <p>Shigella</p> Signup and view all the answers

    Which organism causes an illness similar to Shigella dysentery, with penetration, invasion, and destruction of intestinal mucosa, and stools that may contain blood and mucus?

    <p>Escherichia coli</p> Signup and view all the answers

    Which organism is commonly found in the upper respiratory tract and is a major cause of pneumonia and meningitis?

    <p>Streptococcus pneumoniae</p> Signup and view all the answers

    Which organism is associated with enteric fevers, including typhoid fever, and eventually invades the gall bladder?

    <p>Salmonella</p> Signup and view all the answers

    Which organism is associated with urinary tract infections (UTIs) and can adhere to the urinary tract even when urine is flowing?

    <p>Escherichia coli</p> Signup and view all the answers

    Which organism is associated with gastrointestinal infections and can cause traveler's diarrhea with watery diarrhea, nausea, abdominal cramps, and low-grade fever?

    <p>Escherichia coli</p> Signup and view all the answers

    Which organism is associated with skin and wound infections and is commonly found as normal flora in the intestine?

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

    Which of the following organisms is commonly found in the upper respiratory tract of 5% of the population?

    <p>Klebsiella</p> Signup and view all the answers

    Which of the following organisms is a normal intestinal flora but can also cause opportunistic infections?

    <p>Proteus spp.</p> Signup and view all the answers

    Which of the following organisms is a common cause of urinary tract infections (UTIs) and wound infections?

    <p>Proteus spp.</p> Signup and view all the answers

    Which of the following organisms produces swarming colonies and is most commonly isolated as P. mirabilis and P. vulgaris?

    <p>Proteus spp.</p> Signup and view all the answers

    Which of the following organisms causes plague and is transmitted via rat flea bites?

    <p>Yersinia pestis</p> Signup and view all the answers

    Which of the following organisms is associated with epidemics and pandemics of cholera and is spread mainly by contaminated water or improperly prepared food?

    <p>Vibrio cholerae</p> Signup and view all the answers

    Which of the following organisms causes acute, severe gastroenteritis, vomiting, and profuse watery diarrhea, leading to severe dehydration and death?

    <p>Vibrio cholerae</p> Signup and view all the answers

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

    <p>Antiphagocytic capsule</p> Signup and view all the answers

    Which of the following organisms is associated with recent consumption of raw seafood (oysters), recent immigration or foreign travel, and accidental trauma during contact with fresh or salt water (fishhooks, shellfish)?

    <p>Vibrio cholerae</p> Signup and view all the answers

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

    <p>M protein</p> Signup and view all the answers

    Which of the following is a characteristic of Neisseria meningitidis?

    <p>Major cause of fatal bacterial meningitis in young adults</p> Signup and view all the answers

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

    <p>Sexual transmission</p> Signup and view all the answers

    Which of the following is a virulence factor of Staphylococcus aureus?

    <p>Hemolysins</p> Signup and view all the answers

    Which of the following is a characteristic of Enterobacteriaceae?

    <p>Most are normal inhabitants of the GI tract</p> Signup and view all the answers

    Which of the following is a major problem associated with Strep. Pyogenes infections?

    <p>Nonsuppurative sequelae</p> Signup and view all the answers

    Which of the following is a characteristic of Streptococcus pyogenes?

    <p>Produces rashes</p> Signup and view all the answers

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

    <p>Pus-filled blisters</p> Signup and view all the answers

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

    <p>Trauma or abrasion of the skin</p> Signup and view all the answers

    Which of the following is a virulence factor of Staphylococcus aureus?

    <p>Enzymes that help infection spread</p> Signup and view all the answers

    Which of the following is a major cause of toxic shock syndrome?

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

    Which of the following is a characteristic of Streptococcus pyogenes?

    <p>Causes suppurative skin infections</p> Signup and view all the answers

    Which of the following is a route of infection for Streptococcus pyogenes?

    <p>Person-to-person via contaminated respiratory droplets</p> Signup and view all the answers

    Which of the following is a characteristic of Strep. Pyogenes infections?

    <p>Formation of boils and carbuncles</p> Signup and view all the answers

    Which organism is associated with the most severe form of dysentery, causing necrosis, ulceration, and inflammation of the large intestine, with symptoms including high fever, chills, and abdominal cramps?

    <p>Shigella dysenteriae</p> Signup and view all the answers

    Which of the following organisms causes acute, severe gastroenteritis, vomiting, and profuse watery diarrhea, leading to severe dehydration and death?

    <p>Salmonella enterica</p> Signup and view all the answers

    Which of the following organisms is commonly found in the upper respiratory tract of 5% of the population?

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

    Which of the following organisms causes an illness similar to Shigella dysentery, with penetration, invasion, and destruction of intestinal mucosa, and stools that may contain blood and mucus?

    <p>Shigella flexneri</p> Signup and view all the answers

    Which of the following organisms is associated with gastrointestinal infections and can cause traveler's diarrhea with watery diarrhea, nausea, abdominal cramps, and low-grade fever?

    <p>Escherichia coli</p> Signup and view all the answers

    Which organism is associated with enteric fevers, including typhoid fever, and eventually invades the gall bladder?

    <p>Salmonella enterica</p> Signup and view all the answers

    Which of the following organisms is associated with urinary tract infections (UTIs) and can adhere to the urinary tract even when urine is flowing?

    <p>Escherichia coli</p> Signup and view all the answers

    Which of the following organisms is commonly found in the upper respiratory tract of 5% of the population?

    <p>Klebsiella pneumoniae</p> Signup and view all the answers

    Which of the following organisms is a normal intestinal flora but can also cause opportunistic infections?

    <p>Proteus spp.</p> Signup and view all the answers

    Which of the following organisms is associated with the most severe form of dysentery, causing necrosis, ulceration, and inflammation of the large intestine, with symptoms including high fever, chills, and abdominal cramps?

    <p>Vibrio cholerae</p> Signup and view all the answers

    Which of the following organisms causes acute, severe gastroenteritis, vomiting, and profuse watery diarrhea, leading to severe dehydration and death?

    <p>Vibrio cholerae</p> Signup and view all the answers

    Which of the following organisms is associated with epidemics and pandemics of cholera and is spread mainly by contaminated water or improperly prepared food?

    <p>Vibrio cholerae</p> Signup and view all the answers

    Which of the following organisms is a common cause of urinary tract infections (UTIs) and wound infections?

    <p>Proteus spp.</p> Signup and view all the answers

    Which of the following organisms produces swarming colonies and is most commonly isolated as P. mirabilis and P. vulgaris?

    <p>Proteus spp.</p> Signup and view all the answers

    Which organism causes plague and is transmitted via rat flea bites?

    <p>Yersinia pestis</p> Signup and view all the answers

    Which of the following organisms is associated with enteric fevers, including typhoid fever, and eventually invades the gall bladder?

    <p>Vibrio cholerae</p> Signup and view all the answers

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

    <p>They are surrounded by necrotic tissue</p> Signup and view all the answers

    Which of the following is a virulence factor of Strep. Pyogenes?

    <p>M protein</p> Signup and view all the answers

    Which of the following is a major problem associated with Strep. Pyogenes infections?

    <p>Rheumatic fever</p> Signup and view all the answers

    Which of the following is a characteristic of Streptococcus pyogenes?

    <p>It is commonly found in the upper respiratory tract</p> Signup and view all the answers

    Which of the following is a nonsuppurative sequelae associated with Streptococcus pyogenes infections?

    <p>Rheumatic fever</p> Signup and view all the answers

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

    <p>Sexual transmission</p> Signup and view all the answers

    What is the main route of transmission for Shigella infections?

    <p>Ingestion of bacteria or toxin</p> Signup and view all the answers

    Which of the following is a virulence factor of Neisseria meningitidis?

    <p>Capsule</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</p> Signup and view all the answers

    Which of the following organisms produces swarming colonies and is most commonly isolated as P. mirabilis and P. vulgaris?

    <p>Proteus</p> Signup and view all the answers

    Which of the following is a characteristic of Enterobacteriaceae?

    <p>They are facultative anaerobes</p> Signup and view all the answers

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

    <p>Produces toxins</p> Signup and view all the answers

    Which of the following is a virulence factor of Staphylococcus aureus?

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

    Which of the following is a characteristic of Streptococcus pyogenes?

    <p>Gram positive cocci</p> Signup and view all the answers

    Which of the following organisms is associated with the most severe form of dysentery, causing necrosis, ulceration, and inflammation of the large intestine, with symptoms including high fever, chills, and abdominal cramps?

    <p>Shigella</p> Signup and view all the answers

    Which organism is commonly found in the upper respiratory tract and is a major cause of pneumonia and meningitis?

    <p>Streptococcus pneumoniae</p> Signup and view all the answers

    Which of the following organisms causes acute, severe gastroenteritis, vomiting, and profuse watery diarrhea, leading to severe dehydration and death?

    <p>Salmonella</p> Signup and view all the answers

    Which of the following is a virulence factor of Salmonella?

    <p>Endotoxin</p> Signup and view all the answers

    Which of the following is a characteristic of Enterobacteriaceae?

    <p>Normal flora of GI</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</p> Signup and view all the answers

    Which of the following organisms is commonly found in the upper respiratory tract of 5% of the population?

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

    Which of the following organisms is associated with the most severe form of dysentery, causing necrosis, ulceration, and inflammation of the large intestine, with symptoms including high fever, chills, and abdominal cramps?

    <p>Yersinia pestis</p> Signup and view all the answers

    Which of the following organisms is associated with epidemics and pandemics of cholera and is spread mainly by contaminated water or improperly prepared food?

    <p>Vibrio cholerae</p> Signup and view all the answers

    Which organism causes acute, severe gastroenteritis, vomiting, and profuse watery diarrhea, leading to severe dehydration and death?

    <p>Vibrio cholerae</p> Signup and view all the answers

    Which of the following organisms is commonly found in the upper respiratory tract of 5% of the population?

    <p>Klebsiella pneumoniae</p> Signup and view all the answers

    What is the most common cause of urinary tract infections (UTIs) caused by Escherichia coli?

    <p>Escherichia coli</p> Signup and view all the answers

    Which of the following organisms is associated with recent consumption of raw seafood (oysters), recent immigration or foreign travel, and accidental trauma during contact with fresh or salt water (fishhooks, shellfish)?

    <p>Vibrio cholerae</p> Signup and view all the answers

    Which of the following organisms causes an illness similar to Shigella dysentery, with penetration, invasion, and destruction of intestinal mucosa, and stools that may contain blood and mucus?

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

    Which of the following organisms is associated with the most severe form of dysentery, causing necrosis, ulceration, and inflammation of the large intestine, with symptoms including high fever, chills, and abdominal cramps?

    <p>Yersinia pestis</p> Signup and view all the answers

    Which of the following organisms is a normal intestinal flora but can also cause opportunistic infections?

    <p>Proteus spp.</p> Signup and view all the answers

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