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A 3-Year-Old Boy Is Brought to the Office Due to a 1-Day

question 66

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A 3-year-old boy is brought to the office due to a 1-day history of fever and irritability.  The mother states that the boy has been tugging at his right ear.  The patient has had 2 previous episodes of acute otitis media.  Temperature is 38.1 C (100.6 F) .  Otoscopic examination shows a perforated right tympanic membrane with erythema and purulent exudate.  Cultures from the exudate yield small, oxidase-positive, gram-negative coccobacilli that grow on factor X- and factor V-supplemented media, consistent with Haemophilus influenzae.  The patient's immunizations are up to date.  Which of the following best explains this patient's susceptibility to the pathogen causing his current infection?


Definitions:

Colonial Governments

Administrative bodies established by colonial powers to oversee and manage colonies, often involving control over local resources, economy, and people.

Indentured Servants

Individuals who agreed to work for a set period without wages in exchange for passage to the New World.

Chesapeake Tobacco Planters

Landowners and farmers in the Chesapeake Bay region who cultivated tobacco as a cash crop during the colonial and early national periods of American history.

Seventeenth-Century Chesapeake

Refers to the region and period relating to the Chesapeake Bay in the 1600s marked by the establishment of English colonial societies based on tobacco farming and indentured servitude.

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