A Child with No Known Congenital Problems Is Diagnosed with Inflammation

question 15

Multiple Choice

A child with no known congenital problems is diagnosed with inflammation of the heart valves. The medical history of the child is unremarkable except for a sore throat and fever six weeks prior, which the parents attributed to a common cold. The heart valve inflammation is most likely due to

• A) autoimmune complications of Streptococcus pyogenes.
• B) Corynebacterium diphtheriae.
• C) Bordetella pertussis.
• D) tuberculosis.
• E) atypical pneumonia.

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Definitions:

Monopoly Power

The ability of a single seller or company to control the market for a particular good or service, leading to limited competition.

Perfect Competitor

A theoretical market structure where many firms sell identical products, there are no barriers to entry or exit, buyers have perfect information, and firms are price takers.

Long Run

A period in economics where all factors of production and costs are variable, allowing for full industry adjustment to changes.

Perfect Competitor

A theoretical market structure where many firms offer a standardized product, there is free entry and exit, and all buyers and sellers have perfect information, leading to price being equal to marginal cost.