16 Questions
Which of the following toxins of Staphylococcus aureus is associated with increased virulence and can cause necrotic lesions of the skin or mucous membranes?
Exfoliative toxins
What is the most common food-borne enterobacterial infection?
Salmonellosis
Which bacterium is characteristic for lactose fermentation?
E. coli
Where is the O-antigen of enterobacteria found?
Capsule
Which toxin of Staphylococcus aureus is associated with causing Staphylococcal Scalded Skin Syndrome (SSSS)?
Enterotoxin A
Which of the following is not a lactose-fermenting bacterium?
S. typhi
Which of the following is a genus of enterobacteria that includes obligate representatives of normal human microflora?
Salmonella
What type of respiration is characteristic of enterobacteria?
Facultative anaerobic
Which of the following pathogenic factors are characteristic of enterobacteria?
Enterotoxin
Which enterobacterians most commonly cause elevated urinary tract infections?
Esherihia coli
What characteristics are common to all members of the Enterobacteriaceae family?
Facultative anaerobes
How do pathogenic escherichias differentiate from opportunistic pathogens?
Ability to ferment lactose
Which characteristic is specific to enteropathogenic E.coli?
Colonize enterocytes of the small intestine
For the diagnosis of diseases caused by pathogenic intestinal rods, sowing feces are carried out on which medium?
Bismuth sulfite agar
The pathogens of bacterial dysentery belong to which genus?
Yersinia
Which main antigens does Shigella have?
O
Test your knowledge on the toxins produced by Staphylococcus aureus and their functions. Learn about enterotoxin A, hemolysins, and exfoliative toxins and their roles in causing various illnesses.
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