Exam 4 Cognitive Functions A&P

What is the sensory function of…

Olfactory nerve (I)

• For special sense of Smell

• For special sense of vision 

• For special sense of hearing and balance 

• For special sense of taste on posterior ⅓ to tongue; sensory from pharynx, palatine tonsils, posterior ⅓ of tongue, middle ear, carotid sinus, and carotid body

What is the sensory function of…

Optic Nerve (||)

• For special sense of vision 

• For special sense of Smell

• From palate, upper jaw, upper teeth and gum, nasopharynx, nasal cavity, skin, mucous membrane of cheek, lower eyelid, and upper lip

• For special sense of hearing and balance 

  
  

What is the motor function of…

Oculomotor nerve (III)

• To eye muscles (superior, medial and inferior rectus, inferior oblique) and upper eyelid (levator palpebrae superioris)

• To sphincter pupillae (pupil constriction) and the ciliary muscle of the lens (causing accommodation)

• To sternocleidomastoid and trapezius 

• To parotid slavery gland, glands of posterior ⅓ of tongue

What is the parasympathetic function of…

Oculomotor Nerve (|||)

• To sphincter pupillae (pupil constriction) and the ciliary muscle of the lens (causing accommodation)

• To an eye muscle (superior oblique)

• To mastication muscles (massestr, temporalis, medial and lateral pterygoid), soft palate, throat, and middle ear (tensor tympani)

• To facial muscle, throat (posterior belly of digastric, stylohyoid) and middle ear (stapedius)

  
  

What is the motor function of…

Trochlear Nerve (lV)

• To an eye muscle (superior oblique)

• To an eye muscle (lateral rectus)

• To submandibular and sublingual salivary gland, lacrimal gland, and gland in nasal cavity and palate

• To thoracic and abdominal viscera 

What is the Sensory function of…

Trigeminal Nerve (V)

• From scalp, forehead, nose, upper eyelid, and cornea

• From palate, upper jaw, upper teeth and gum, nasopharynx, nasal cavity, skin, mucous membrane of cheek, lower eyelid, and upper lip

• From lower jaw, lower teeth and hums, anterior ⅔ of tongue. Mucus membrane of cheek, lower lip, skin of cheek and chin, auricle, and temporal region

• For special sense of taste on posterior ⅓ to tongue; sensory from pharynx, palatine tonsils, posterior ⅓ of tongue, middle ear, carotid sinus, and carotid body

• For special sense of hearing and balance 

What is the motor function of…

Trigeminal Nerve (V)

• To mastication muscles (massestr, temporalis, medial and lateral pterygoid), soft palate, throat, and middle ear (tensor tympani)

• To eye muscles (superior, medial and inferior rectus, inferior oblique) and upper eyelid (levator palpebrae superioris)To soft palate pharynx, intrinsic laryngeal muscle (voice producing muscles), and an extrinsic tongue muscle

• To intrinsic and extrinsic tongue muscles and throat muscles

• To pharyngeal muscle (stylopharyngeus)

What is the motor function of…

Abducens Nerve (Vl)

• To an eye muscle (lateral rectus)

• To facial muscle, throat (posterior belly of digastric, stylohyoid) and middle ear (stapedius)

• To pharyngeal muscle (stylopharyngeus)

• To eye muscles (superior, medial and inferior rectus, inferior oblique) and upper eyelid (levator palpebrae superioris)

What is the Sensory function of…

Facial Nerve (Vll)

• To special sense of taste on anterior ⅔ of tongue

• To submandibular and sublingual salivary gland, lacrimal gland, and gland in nasal cavity and palate

• To an eye muscle (lateral rectus)

• To mastication muscles (massestr, temporalis, medial and lateral pterygoid), soft palate, throat, and middle ear (tensor tympani)

What is the motor function of…

Facial Nerve (Vll)

• To facial muscle, throat (posterior belly of digastric, stylohyoid) and middle ear (stapedius)

• To submandibular and sublingual salivary gland, lacrimal gland, and gland in nasal cavity and palate

• To parotid slavery gland, glands of posterior ⅓ of tongue

• To special sense of taste on anterior ⅔ of tongue