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Nerve Supply

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74 Questions

Which category of the nervous system consists of the brain and spinal cord?

Central nervous system

How many pairs of spinal nerves are there in total?

31

Which region of the body has 5 pairs of spinal nerves?

Lumbar region

Which nerve provides the special sense of smell from the nose to the brain?

Olfactory nerve

How many pairs of cranial nerves directly attach to the brain?

12

Which component of the peripheral nervous system extends from the brain and spinal cord?

Spinal nerves

In which region of the body is there only 1 pair of spinal nerves?

Tailbone region

Which division of the trigeminal nerve supplies the skin above the eye and forehead?

Ophthalmic Division (V1)

What is the main function of the posterior superior alveolar nerve?

Supplying the maxillary buccal gingiva of premolars and molars

Which nerve provides parasympathetic innervation to the lacrimal gland?

Zygomatic Nerve

Through which foramen does the maxillary division of the trigeminal nerve exit from the skull?

Foramen rotundum

Which nerve supplies all the mucosa of the hard palate except a small area supplied by another branch?

Greater palatine nerve

Which division of the trigeminal nerve carries sensory responses from the skin above the lateral eye area and the lacrimal gland?

Ophthalmic Division (V1)

Where does the pterygopalatine ganglion receive its parasympathetic supply from?

Deep petrosal nerve

Which nerve divides into branches that supply greater and lesser palatine nerves?

Pterygopalatine Nerve

What is the main function of the nasociliary nerve?

Sends anterior and posterior ethmoidal nerve branches into nasal cavity

Which nerve supplies the skin over the cheek and temple and provides parasympathetic innervation to the lacrimal gland?

Zygomatic Nerve

Where does the sphenopalatine nerve branch exit the nasal cavity?

Incisive foramen

Which nerve supplies the skin of the nose and lower eyelid?

Infraorbital nerve

Which nerve supplies sensation to the floor of the mouth and anterior two-thirds of the tongue?

Lingual nerve

What is the main function of the inferior alveolar nerve?

Supply mandibular teeth and periodontal ligaments

Which nerve supplies the buccal mandibular gingiva up to the mental foramen?

Buccal nerve

Through which foramen does the mandibular division of the trigeminal nerve leave the skull?

Foramen ovale

Where does the lingual nerve receive a branch from the facial nerve (VII)?

Chorda tympani

Which nerve supplies the area above and in front of the ear?

Auriculotemporal nerve

Which nerve goes through the infraorbital canal and foramen to supply certain areas on the face?

Infraorbital nerve

Which muscle receives fibers from the otic ganglion?

Tensor veli palatini

Which cranial nerve supplies most of the muscles that move the eye in different directions?

III, oculomotor nerve

Which cranial nerve has motor innervation to the muscles of the pharynx and larynx and most of the muscles of the soft palate?

X, vagus nerve

Which cranial nerve has parasympathetic innervation to the parotid salivary gland?

IX, glossopharyngeal nerve

Which cranial nerve has motor innervation to the muscles of facial expression?

VII, facial nerve

Which cranial nerve has sensory innervation from the skin around the ear?

X, vagus nerve

Which cranial nerve supplies the lateral rectus muscle, the muscle that moves the eye laterally?

VI, abducens nerve

Which cranial nerve has motor innervation to the muscles of mastication?

V, trigeminal nerve

Which cranial nerve has parasympathetic innervation to the submandibular and sublingual salivary glands?

VII, facial nerve

Which cranial nerve has sensory innervation for all teeth and the skin of the front anterior face and head?

V, trigeminal nerve

Which cranial nerve has parasympathetic innervation to the eye to cause the pupil to contract and the lens to change shape and become more rounded for close vision?

III, oculomotor nerve

Which nerve supplies the maxillary buccal gingiva of premolars and molars, as well as part of the maxillary sinus?

Posterior Superior Alveolar Nerve

What is the function of the zygomatic nerve?

Supplies the skin over the cheek and temple

Where does the pterygopalatine ganglion receive its parasympathetic supply from?

Greater petrosal nerve

Which nerve divides into branches that supply greater and lesser palatine nerves?

Descending palatine nerve

What is the main function of the nasociliary nerve?

Innervates the nose and lower eyelid

Which division of the trigeminal nerve carries sensory responses from the skin above lateral eye areas and the lacrimal gland?

Ophthalmic Division (V1)

What is a function of the infraorbital nerve?

Goes through infraorbital canal to supply certain areas on the face

Which nerve provides sensation to all teeth and skin of the anterior face and head?

Ophthalmic Division (V1)

Through which foramen does the maxillary division of the trigeminal nerve exit from the skull?

Foramen rotundum

Where do the greater and lesser palatine nerves enter to supply respective areas?

Greater and lesser palatine foramina

Which cranial nerve supplies the superior oblique muscle, the muscle that moves the eyes downward and laterally?

Trochlear nerve

Which nerve provides motor innervation to the muscles of mastication?

Trigeminal nerve

Which cranial nerve has parasympathetic innervation to the submandibular and sublingual salivary glands?

Facial nerve

Which nerve supplies the lateral rectus muscle, the muscle that moves the eye laterally?

Abducens nerve

Which cranial nerve supplies most of the muscles that move the eye in different directions?

Oculomotor nerve

Which nerve provides sensory innervation to the posterior one-third of the tongue for taste?

Glossopharyngeal nerve

Which cranial nerve has motor innervation to the muscles of the pharynx and larynx?

Vagus nerve

Which nerve provides sensation to the mucosa and skin of the cheek and most of the maxillary buccal gingiva?

Buccal nerve

Which nerve provides sensation to the lingual mandibular gingiva and the anterior two-thirds of the tongue?

Lingual nerve

Which nerve primarily serves mandibular teeth and enters the mandible through the mandibular foramen?

Inferior alveolar nerve

Which nerve supplies the skin above and in front of the ear?

Auriculotemporal nerve

Which nerve provides motor innervation to the muscles of mastication, including the temporal, masseter, and pterygoid muscles?

Mandibular division of the trigeminal nerve

Which nerve supplies the skin and mucosa of the maxillary lip, maxillary labial gingiva, and skin of the nose and lower eyelid?

Infraorbital nerve

Which nerve supplies the premolars and usually the mesiobuccal root of the maxillary first molar and part of the maxillary sinus?

Middle superior alveolar nerve

Which nerve supplies the anterior mandible area, including the mucosa of the lip, labial gingiva, skin of the mandibular lip and chin, and numbs the mandibular lip and chin during anesthetization of mandibular teeth?

Mental nerve

Which nerve supplies the skin over the cheek and temple and provides parasympathetic innervation to the lacrimal gland?

Zygomaticotemporal nerve

Which nerve provides sensation to the floor of the mouth and anterior two-thirds of the tongue, and receives a branch from the facial nerve (VII) known as the chorda tympani?

Lingual nerve

Which region of the body has the most spinal nerves?

Cervical

Which cranial nerve provides the special sense of sight from the eye to the brain?

Optic nerve (II)

Which nerve supplies sensation to most of the mucosa of the hard palate?

Ophthalmic nerve

Which category comprises all nerves extending outward from the brain and spinal cord?

Peripheral nervous system

How many pairs of spinal nerves are found in the lumbar region?

5

Which cranial nerve has motor innervation to most of the muscles that move the eye in different directions?

Oculomotor nerve

Where do cranial nerves attach directly?

Brain

Which nerve supplies sensation to the floor of the mouth and anterior two-thirds of the tongue?

Lingual nerve

Which division of trigeminal nerve leaves the skull through the mandibular foramen?

Mandibular division

Which cranial nerve provides parasympathetic innervation to the lacrimal gland?

Facial nerve

Learn about the two major categories of the nervous system: the central nervous system and the peripheral nervous system. Understand the components of the peripheral nervous system, which include spinal nerves, cranial nerves, and the autonomic nervous system.

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