NBDE Quiz # 68
Salivary glands are a group of organs secreting a watery substance that is of utmost importance for several physiological functions ranging from the protection of teeth and surrounding soft tissues to the lubrication of the oral cavity, which is crucial for speech and perception of food taste.
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NBDE Quiz # 68
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1. Question
Which of the following glandular structures re-ceives innervation from the auriculotemporal nerve?
Correct
The correct response is Option C. The parotid gland receives its innervation from the auricu-lotemporal nerve, which is a branch of the glos-sopharyngeal nerve that communicates with the trigeminal and facial nerves. Because of its relationship with the parotid gland, the au-riculotemporal nerve has been shown to be a cause of Frey syndrome (gustatory sweating) occurring after parotidectomy; division of the nerve has been recommended as a potential treatment option. The sympathetic plexus of the external carotid artery, the facial nerve, and the great auricular nerve also supply innerva¬tion to the parotid gland. The meibomian and lacrimal glands receive innervation from the lacrimal nerve, which is a branch of the oph¬thalmic division of the trigeminal nerve (V1). The sublingual gland is innervated by the lin¬gual nerve, which is a branch of the mandibu¬lar division of the trigeminal nerve (V3). The submandibular gland is innervated by multiple sources, including the chorda tympani, which is a component of the facial nerve, the sub-mandibular ganglion, which is a branch of the lingual nerve, and the mylohyoid branch of the inferior alveolar nerve. Each of these structures is derived from the trigeminal nerve.
Incorrect
The correct response is Option C. The parotid gland receives its innervation from the auricu-lotemporal nerve, which is a branch of the glos-sopharyngeal nerve that communicates with the trigeminal and facial nerves. Because of its relationship with the parotid gland, the au-riculotemporal nerve has been shown to be a cause of Frey syndrome (gustatory sweating) occurring after parotidectomy; division of the nerve has been recommended as a potential treatment option. The sympathetic plexus of the external carotid artery, the facial nerve, and the great auricular nerve also supply innerva¬tion to the parotid gland. The meibomian and lacrimal glands receive innervation from the lacrimal nerve, which is a branch of the oph¬thalmic division of the trigeminal nerve (V1). The sublingual gland is innervated by the lin¬gual nerve, which is a branch of the mandibu¬lar division of the trigeminal nerve (V3). The submandibular gland is innervated by multiple sources, including the chorda tympani, which is a component of the facial nerve, the sub-mandibular ganglion, which is a branch of the lingual nerve, and the mylohyoid branch of the inferior alveolar nerve. Each of these structures is derived from the trigeminal nerve.
