Podcast
Questions and Answers
What is the morphology of staphylococci?
What is the morphology of staphylococci?
- Gram-negative cocci
- Gram-positive rod-shaped cells
- Gram-positive spherical cells (correct)
- Gram-negative bacilli
Which species of staphylococci is coagulase-positive and a major pathogen for humans?
Which species of staphylococci is coagulase-positive and a major pathogen for humans?
- Streptococcus
- Staphylococcus epidermidis
- Staphylococcus aureus (correct)
- Staphylococcus saprophyticus
What type of infections can be caused by some staphylococci?
What type of infections can be caused by some staphylococci?
- Urinary tract infections
- Suppuration, abscess formation, and septicemia (correct)
- Gastrointestinal infections
- Respiratory infections
What differentiates Staphylococcus aureus from other staphylococcal species?
What differentiates Staphylococcus aureus from other staphylococcal species?
What is the most common type of food poisoning caused by staphylococci?
What is the most common type of food poisoning caused by staphylococci?
What is the metabolic characteristic of staphylococci?
What is the metabolic characteristic of staphylococci?
What is the classification method based on the sequence of the spa locus in S. aureus?
What is the classification method based on the sequence of the spa locus in S. aureus?
Which species of Staphylococci causes urinary tract infections in young women?
Which species of Staphylococci causes urinary tract infections in young women?
What method is based on the genomic restriction digestion for S. aureus classification?
What method is based on the genomic restriction digestion for S. aureus classification?
What does the capsular polysaccharide A protect the organism from?
What does the capsular polysaccharide A protect the organism from?
Which cell surface antigen disrupts phagocytosis and is possessed by 90% of S. aureus strains?
Which cell surface antigen disrupts phagocytosis and is possessed by 90% of S. aureus strains?
Which enzyme converts fibrinogen to fibrin, coating the organisms to inhibit phagocytosis?
Which enzyme converts fibrinogen to fibrin, coating the organisms to inhibit phagocytosis?
Which enzyme is important in the pathogenesis of boils by digesting fats?
Which enzyme is important in the pathogenesis of boils by digesting fats?
What type of toxins are capable of efficiently lysing white blood cells?
What type of toxins are capable of efficiently lysing white blood cells?
What does Panton-valentine leukocidin damage?
What does Panton-valentine leukocidin damage?
Which classification method is used for methicillin resistant S. aureus based on gel electrophoresis banding pattern following PCR amplification?
Which classification method is used for methicillin resistant S. aureus based on gel electrophoresis banding pattern following PCR amplification?
