10 Questions
What is the primary mechanism of immune evasion used by Streptococcus pyogenes in streptococcal pharyngitis?
Resistance to phagocytosis
What is the primary cause of scarlet fever?
Erythrogenic toxin produced by lysogenized S. pyogenes
What is the primary mechanism of action of diphtheria toxin?
Inhibition of protein synthesis
What is the primary cause of otitis media?
Staphylococcus aureus and Streptococcus pyogenes
What is the primary characteristic of the paroxysmal stage of pertussis?
Violent coughing sieges
What is the primary way that Mycobacterium tuberculosis is transmitted?
From human to human through the air
What is the main cell type that Mycobacterium tuberculosis infects?
Macrophages
What is the purpose of the cell-mediated immune response in tuberculosis?
To activate macrophages to destroy the bacteria
What is the name of the vaccine commonly used to prevent tuberculosis?
BCG
What is the name of the type of tuberculosis that results from the spread of bacteria through the bloodstream?
Miliary tuberculosis
Test your knowledge on diseases affecting the upper respiratory system, including streptococcal pharyngitis, scarlet fever, and diptheria. Learn about the causes, symptoms, and diagnosis of these diseases.
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