Children override the micturition reflex using which control?
AExpanded sphincter
BExternal sphincter
CExtensor sphincter
DExterior sphincter
Answer & Solution
Correct answer: B. External sphincter
1. The reflex is present from infancy.
2. Maturity adds a voluntary brake.
3. Children learn to override the reflex by asserting external sphincter control.
4. So the answer is the external sphincter.
_Source: OpenStax 'Anatomy and Physiology 2e', Ch 25 'The Urinary System'_
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