Question

30. The postganglionic sympathetic fibres in the nerve of the pterygoid canal originates

from?
A. The lesser petrosal nerve
B. Deep petrosal nerve
© Greater petrosal nerve
D. Chorda tympani​

Answer 1

The correct answer is B)Deep petrosal nerve

Step-by-step explanation:

Postganglionic sympathetic fibers in the nerve of the pterygoid canal originate from the deep petrosal nerve. This corresponds to an internal carotid plexus and is formed by postganglionic fibers of the upper cervical ganglion; transports sympathetic postganglionic fibers directed to the blood vessels.