Surgery A benign tumour in the pterygoid canal would spare which of the following nerve fibers A Postganglionic parasympathetic fibers B Taste fibers from the palate C Postganglionic sympathetic fibers D General visceral afferent (GVA) fibers 💡 Explanation A benign tumour in the pterygoid canal would spare which of the following nerve fibers ✓ Correct Answer: A. Postganglionic parasympathetic fibers