Strep Throat Is Commonly Caused by Group a Streptococcus Bacteria

question 32

Multiple Choice

Strep throat is commonly caused by group A Streptococcus bacteria. A common symptom of strep throat is the presence of swollen lymph nodes in the neck. This symptom usually peaks about 2-4 days after the onset of the infection, and is due to:

• A) Damage to the pharyngeal epithelium by the bacteria
• B) Release of bacterial PAMPs leading to inflammatory cytokine production
• C) Trapping and activation of antigen-specific lymphocytes in the lymph nodes of the neck
• D) Recruitment of neutrophils to the lymph nodes of the neck
• E) Recruitment of circulating macrophages to the lymph nodes of the neck

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Definitions:

Normal Good

A type of good for which demand increases as the income of consumers increases, reflecting a direct relationship between income and demand.

Complements

Goods or services that are used together, where the use or consumption of one enhances the value or demand of the other.

Inferior Good

An inferior good is a type of product that sees an increase in demand as consumers’ income decreases, contrary to what is observed with normal goods.

Complement

A good or service that, when used together with another, enhances mutual use and utility, often impacting demand in correlated ways.