Anatomy Superior cervical ganglion A Is the smallest cervical ganglion B Gives rise to plexus around internal carotid artery, a part of which supplies sphincter pupillae C Deep petrosal nerve of pterygopalatine ganglion is derived from plexus around internal carotid artery D Left superior cervical cardiac branch goes to deep cardiac plexus 💡 Explanation Superior cervical ganglion ✓ Correct Answer: C. Deep petrosal nerve of pterygopalatine ganglion is derived from plexus around internal carotid artery