Podcast
Questions and Answers
Which method can be used to extract the C carbohydrate from the streptococcal cell wall according to Rebecca Lancefield's findings?
Which method can be used to extract the C carbohydrate from the streptococcal cell wall according to Rebecca Lancefield's findings?
- Heating the organisms in the presence of oxygen
- Placing organisms in a hypertonic solution
- Boiling the organisms in water
- Placing organisms in dilute acid and heating (correct)
What is the main function of M Protein in Streptococcus pyogenes?
What is the main function of M Protein in Streptococcus pyogenes?
- Resisting phagocytosis (correct)
- Promoting phagocytosis
- Activating complement pathways
- Stimulating antibody production
What is the role of Lipoteichoic Acid in Streptococcus pyogenes?
What is the role of Lipoteichoic Acid in Streptococcus pyogenes?
- Adhesion to epithelial cells (correct)
- Preventing recognition by antibodies
- Promoting phagocytosis
- Deactivating M Protein for virulence
Which Streptococcal strain is known to have over 200 serotypes?
Which Streptococcal strain is known to have over 200 serotypes?
Which molecule helps prevent recognition of Streptococcus pyogenes by masking antigens?
Which molecule helps prevent recognition of Streptococcus pyogenes by masking antigens?
What is the significance of M1 in Streptococcus pyogenes infections?
What is the significance of M1 in Streptococcus pyogenes infections?
What is the difference between Streptolysin O and Streptolysin S?
What is the difference between Streptolysin O and Streptolysin S?
What is the most common type of Deoxyribonuclease (DNase) produced by Streptococcus pyogenes?
What is the most common type of Deoxyribonuclease (DNase) produced by Streptococcus pyogenes?
Which of the following is NOT a characteristic of erysipelas caused by Streptococcus pyogenes?
Which of the following is NOT a characteristic of erysipelas caused by Streptococcus pyogenes?
What is the role of Streptokinase produced by Streptococcus pyogenes?
What is the role of Streptokinase produced by Streptococcus pyogenes?
Which of the following is NOT an Erythrogenic Exotoxin produced by Streptococcus pyogenes?
Which of the following is NOT an Erythrogenic Exotoxin produced by Streptococcus pyogenes?
What is the most common manifestation of Streptococcus pyogenes infection?
What is the most common manifestation of Streptococcus pyogenes infection?
Which streptolysin is immunogenic but destroyed by skin fat?
Which streptolysin is immunogenic but destroyed by skin fat?
Which infection involves rapid progression of inflammation and necrosis known as 'galloping gangrene'?
Which infection involves rapid progression of inflammation and necrosis known as 'galloping gangrene'?
Which Streptococcal infection leads to a life-threatening Toxic Shock Syndrome similar to Staphylococcal TSS?
Which Streptococcal infection leads to a life-threatening Toxic Shock Syndrome similar to Staphylococcal TSS?
What is the main symptom of Acute Glomerulonephritis that distinguishes it from other conditions?
What is the main symptom of Acute Glomerulonephritis that distinguishes it from other conditions?
What is the main factor causing Rheumatic Fever?
What is the main factor causing Rheumatic Fever?
Why is Gram stain of little value in microscopy for the mentioned infections?
Why is Gram stain of little value in microscopy for the mentioned infections?
What is the most common cause of pneumonia in 2-year-olds?
What is the most common cause of pneumonia in 2-year-olds?
Which of the following is a characteristic of the $eta$-hemolytic pattern for Group B Streptococcus?
Which of the following is a characteristic of the $eta$-hemolytic pattern for Group B Streptococcus?
What is the recommended method for detecting Group B Streptococcus in pregnant women?
What is the recommended method for detecting Group B Streptococcus in pregnant women?
What is the primary drug of choice for treating Group B Streptococcus infections?
What is the primary drug of choice for treating Group B Streptococcus infections?
Which of the following is a virulence factor for Group B Streptococcus?
Which of the following is a virulence factor for Group B Streptococcus?
What is the recommended method for confirming the identity of Streptococcus pneumoniae?
What is the recommended method for confirming the identity of Streptococcus pneumoniae?
What is the key virulence factor for Streptococcus pneumoniae?
What is the key virulence factor for Streptococcus pneumoniae?
Which of the following is a characteristic of old Streptococcus pneumoniae colonies?
Which of the following is a characteristic of old Streptococcus pneumoniae colonies?
Which drug is the drug of choice for treating pneumonia caused by penicillin-sensitive Streptococcus pneumoniae?
Which drug is the drug of choice for treating pneumonia caused by penicillin-sensitive Streptococcus pneumoniae?
Which group of Viridans Streptococci has the group D antigen?
Which group of Viridans Streptococci has the group D antigen?
What is the main mechanism by which Streptococcus pneumoniae evades the host immune system?
What is the main mechanism by which Streptococcus pneumoniae evades the host immune system?
Which age group is most commonly affected by Streptococcus pneumoniae otitis media?
Which age group is most commonly affected by Streptococcus pneumoniae otitis media?
