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Pediatrics · Nutrition: rickets
Sample itemA toddler has delayed walking, bowed legs, widened wrists, and low vitamin D level. What diagnosis is most likely?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Nutritional rickets
Vitamin D deficiency impairs mineralization at growing epiphyses, causing rickets with bony deformities and widened wrists. Calcium intake and underlying malabsorption risk should also be assessed.
Option by option
A. Acute osteomyelitis
Osteomyelitis causes focal painful bone infection.
B. Osteogenesis imperfecta
Osteogenesis imperfecta causes bone fragility and blue sclerae in many forms.
C. Nutritional rickets (correct)
Correct. Bowing and metaphyseal changes in a deficient toddler indicate rickets.
D. Scurvy
Scurvy causes bleeding and impaired collagen formation.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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