30 Questions
Which of the following is NOT a virulence factor of Salmonella?
Enterotoxin
What is the most common form of Salmonella disease?
Salmonella enterocolitis
Which of the following is NOT a symptom of Salmonella enterocolitis?
Headache
Which species of Salmonella is most commonly associated with enteric fevers?
S. Typhi
Which of the following is NOT a characteristic of Shigella?
Animal reservoir
What is the main symptom of Shigella dysentery?
Watery diarrhea
Which strain of Escherichia coli is associated with hemorrhagic diarrhea and colitis?
EHEC
Which of the following is the most virulent species of Staph bacteria mentioned in the text?
Staphylococcus aureus
Which of the following is NOT a route of infection for Staphylococcus aureus?
Inhalation of respiratory droplets
Which of the following is a virulence factor of Staphylococcus aureus mentioned in the text?
Protein A
Which of the following types of infections caused by Staphylococcus aureus is typically suppurative (puss filled) and surrounded by necrotic tissue?
Folliculitis
Which of the following is a symptom of food poisoning caused by Staphylococcus aureus?
Diarrhea
Which of the following is a distant infection caused by Staphylococcus aureus?
Toxic Shock Syndrome
Which of the following is NOT a characteristic of Streptococcus pyogenes mentioned in the text?
Normal flora
Which bacterium is known for its antiphagocytic and attachment-aiding virulence factor called M protein?
Streptococcus pyogenes
Which bacterium produces streptolysin O, an oxygen-labile hemolysin?
Streptococcus pyogenes
Which bacterium is known for its ability to degrade DNA with the help of its virulence factor called DNase?
Streptococcus pyogenes
Which bacterium is known for its ability to convert plasminogen to plasmin with the help of its virulence factor called streptokinase?
Streptococcus pyogenes
Which bacterium is known for its ability to degrade connective tissue with the help of its virulence factor called hyaluronidase?
Streptococcus pyogenes
Which bacterium is known for its ability to produce rashes with the help of its erythrogenic toxin?
Streptococcus pyogenes
Which bacterium is known for its ability to cause acute pharyngitis/tonsillitis, also known as strep throat?
Streptococcus pyogenes
Which of the following is a characteristic of Yersinia pestis?
It is transmitted through rat flea bites.
What is the optimal growth temperature for Yersinia pestis?
25-30 degrees Celsius
Which of the following is a characteristic of bubonic plague?
It develops painful buboes in lymph nodes.
What is the mortality rate of bubonic plague?
Nearly 100%
Which of the following is a characteristic of pneumonic plague?
It is transmitted by infectious droplets.
What is the transmission route of Vibrio cholerae?
Ingestion of contaminated water or seafood
What is the main symptom of cholera?
Severe dehydration and death
Which of the following is a characteristic of non-O1 and non-O139 Vibrio cholerae?
It causes milder form of gastroenteritis.
What are the possible extraintestinal infections caused by Vibrio cholerae?
Ear infections and cellulitis
Test your knowledge of Klebsiella and its characteristics, including antiphagocytic pili, toxins, and its association with gram-positive bacteria. Learn about the classification of enterotoxins and the connection to the GI tract. Explore the different species, subspecies, and serotypes of Klebsiella, with a focus on Salmonella.
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