Which nerve supplies the 4th arch just before the epiglottis, and what sort of receptors are found there?
a) Vagus nerve (Cranial Nerve X); taste receptors
b) Facial nerve (Cranial Nerve VII); pressure receptors
c) Hypoglossal nerve (Cranial Nerve XII); temperature receptors
d) Glossopharyngeal nerve (Cranial Nerve IX); pain receptors