Abscesses – Staphylococcus Aureus
About the Lecture
The lecture Abscesses – Staphylococcus Aureus by Vincent Racaniello, PhD is from the course Bacteria.
Included Quiz Questions
Which of the following is characteristic of MRSA?
- It makes a penicillin-binding protein 2a, creating penicillin resistance.
- It can be treated with higher doses of antibiotics if paired with exfoliative toxin A.
- If it carries the mecA gene, it has a high sensitivity to cephalosporins.
- MRSA stands for "methicillin-resistant Streptococcus aureus."
- Infections with this bacteria usually self-resolve with no intervention.
Which of the following terms describes a diffuse infection of the subcutaneous tissue often seen with S. aureus?
- Cellulitis
- Abscess
- Carbuncle
- Furuncle
- Scalded skin syndrome
A patient with recurrent Staphylococcus infections may be deficient in which of the following white blood cell types?
- Neutrophils
- Macrophages
- Lymphocytes
- NK cells
- Plasma cells
Which of the following represents a host response to a bacterial infection designed to isolate the invading pathogens?
- Formation of a fibrin capsule
- Pus formation
- Neutrophilic proliferation
- Cytokine release
Which of the following S. aureus virulence factors is correctly paired with the host response it interferes with or activates?
- Catalase - inactivates hydrogen peroxide
- Cell wall - inhibits complement activation
- Peptidoglycan - binds Fc portion of IgG
- Coagulase - inhibits respiratory burst
- Hemolysin - activates fibrin
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Author of lecture Abscesses – Staphylococcus Aureus
Vincent Racaniello, PhD
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Dr. Racaniello is a very good professor. He takes all his time to ensure that his students understand the concepts of the topics. All his feedbacks and examples are very relevant.
