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- The cranial nerve is actually an extension of the brain, not a nerve at all! O oculomotor (1II) O optic (II) facial (VII) O olfactory (I)Name the cranial nerve that innervates (1) the lacrimalglands and most of the salivary glands, (2) the lateral rectuseye muscles, and (3) the intrinsic and extrinsic tonguemusclesWhich of the following cranial nerves is INCORRECTLY matched to its function (for the tongue) Chooe one from the following: (A) trigeminal nerve CN V-3 - sensory (pain, crude touch, temperature) (B) facial nerve CN VII - taste (sweet, salty, sour from the tongue) (C) glossopharyngeal nerve CN IX - taste (bitter from the tongue) (D) vagus nerve CN X - taste from the tongue (E) hypoglossal nerve CN XII - muscles of the tongue
- The cranial nerve innervates the trapezius and sternocleidomastoid muscles. accessory (XI) O trochlear (IV) O hypoglossal (XII) vagus (X)A patient arrives in the ER and is complaining that light hurts his eye, and he is having some double vision. Upon examination, you notice that his right eye pupil is enlarged and his eyelid looks a bit droopy. When you ask him to follow your finger, you also notice that his right eye tends to stay more lateral (he can’t fully rotate the eye medially…) What cranial nerve would you think might be affected?Write the name of each cranial nerve next to the Roman numeral representative of that nerve. Then draw a line to link each nerve to its characteristics. Some characteristics may link to VII. more than one nerve, while other nerves may have more than one characteristic. a. Mixed branch controls chewing and detects sensations in lower jaw b. Links the retina to the brain's visual cortex; III damage causes blindness in part or all of a visual field IV c. Regulates voluntary movements of the eyelid and eyeball V VI d. Damage to sensory branch causes loss of sensation in upper face VII VIII e. Governs tongue movements, swallowing, and gagging IX f. Damage causes tongue to deviate toward injured side X XI g. Damage here can cause a drooping eyelid and dilated pupil XII h. Damage causes sagging facial muscles and distorted sense of taste i. Longest and most widely distributed cranial nerve j. Concerned with hearing and balance k. Plays a key role in many heart, lung, digestive, and urinary…
- Match the cranial nerves to the body parts or functions that they affect. More than one nerve pair may correspond to the same structure or function. (1) olfactory nerves (I) (2) optic nerves (II) (3) oculomotor nerves (III) A. vision B. hearing and equilibrium C. muscles of the larynx, pharynx, soft palate, sternocleidomastoid and trapezius muscles (4) trochlear nerves (IV)(5) trigeminal nerves (V)(6) abducens nerves (VI)(7) facial nerves (VII)(8) vestibulocochlear nerves (VIII)(9) glossopharyngeal nerves (IX)(10) vagus nerves (X)(11) accessory nerves (XI)(12) hypoglossal nerves (XII)D. heart, various smooth muscles and glands in the thorax andabdomenE. taste, facial expressions, secretion of tears and salivaF. sense of smellG. tongue movements and swallowingH. face and scalpI. eye movementsAn individual is unable to close his left eye with ears overflowing on the left cheek and saliva dribbling from the left mouth angle. what is the reason for his sad condition? What nerve is damaged and how is the integrity of the nerve tested?Complete the table by filling in the missing nerve/ foramen and classification. (13) Trigeminal CP: a. CN – Cranial Nerve CP – Cranial Passage |(12) (1) b. Vagus (11) Facial CP:- C. CP: (10) CN: - Jugular foramen Vestibulo cochlear |(2) CP: (9) Trochlear 12 CRANIAL СР: CN: (3) - Cribriform plate NERVES SENSORY (8) CN - Sup. orbital fissure Optic (4) CP: (7) Accessory CP: Oculomotor (6) CP: CN: (5) (14) - Ant. condylar canal
- Structure B is the nerve. The muscles at D are innervated by the + nerve, which is cranial nerve number The function of structure F is Structure G is lined by epithelium. GLately, Susan has been missing steps while descending stairs. It turns out she had been percieving one step as two. Which cranial nerve lesion is responsible for Susan’s condition? List the cranial nerves that supply the muscles of the eyeball.You have a dental carie (a cavity) in your lower left second molar. Your dentist injects an anesthetic, novocaine, to eliminate any possible pain during treatment. Which cranial nerve is affected by the novocaine? Explain.