A 14-Year-Old Boy Is Brought to the Emergency Department by His

question 71

Multiple Choice

A 14-year-old boy is brought to the emergency department by his parents for joint pain following the acute onset of a diffuse, pruritic rash for the past 24 hours. A week ago, he was diagnosed with pharyngitis after returning home from summer camp and is currently taking antibiotics. There is no family history of serious illness. His temperature is 38.5°C (101.3°F) , pulse is 90/min, and blood pressure is 110/70 mm Hg. Physical examination shows periorbital edema, generalized lymphadenopathy, and well-circumscribed, erythematous, confluent skin lesions of variable sizes up to several centimeters in width over his entire body. There is pain on passive movement of wrists and ankle joints bilaterally. Urine dipstick shows 1+ proteinuria. There is no hematuria. Which of the following findings is most likely to accompany this patient's condition?

• A)Candida antigen anergy
• B)Decreased serum C3 level
• C)Increased serum IgE level
• D)Low serum IgA level
• E)Neutrophilia
• F)Severe thrombocytopenia

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Definitions:

Hindu Castes

A traditional system of hierarchical social stratification in Hindu society, dividing people into categories based on inherited status and profession.

Parallel Cousins

The children of a father's brother or a mother's sister, considered in some cultures to be nearly as closely related as siblings.

Cross-Cousins

The children of one's parent's sibling of the opposite gender, considered as potential marriage partners in some cultures.

Descent Cousins

Cousins who are part of the same family lineage or bloodline, emphasizing the connection through common ancestors.