The parasympathetic preganglionic fibers in glossopharyngeal nerve arise from . A: dorsal nucleus of vagus nerve B: inferior salivatory nucleus C: hypoglossal nucleus D: superior salivatory nucleus

The submandibular ganglion contains preganglionic parasympathetic axons from which cranial nerve? A: oculomotor nerve B: trigeminal nerve C: facial nerve D: hypoglossal nerve E: vagus nerve