Injury to which nerve will affect lacrimal secretion______________?

Correct answer: A. Greater petrosal nerve

A. Greater petrosal nerve
B. Lesser petrosal nerve
C. Sphenopalatine nerve
D. Nasocilliary nerveExplore Anatomy Models

Explanation

Preganglionic parasympathetic fibres for lacrimation travel in the greater petrosal nerve to the pterygopalatine ganglion, then reach the lacrimal gland via communicating branches and the lacrimal nerve. The lesser petrosal nerve is associated mainly with parotid secretion.

Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated 21 September 2026

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Injury to which nerve will affect lacrimal secretion______________?

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