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ENT · Paediatric ENT
Sample itemWhy is a unilateral nasal button battery particularly urgent?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. It can cause rapid septal necrosis
A button battery can cause rapid electrical and chemical injury to nasal mucosa and septal cartilage, requiring immediate removal.
Option by option
A. It improves nasal ventilation
Battery obstructs rather than improves airflow.
B. It is safely expelled by sneezing
Spontaneous expulsion cannot be assumed.
C. It can cause rapid septal necrosis (correct)
Correct: rapid septal injury is the danger.
D. It only causes mild itch
Damage can be severe, not mild.
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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