BRAIN
CRANIAL NERVES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Carries olfactory impulses
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Carries impulses to the facial muscles
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Controls the movement of the eyeballs
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Brings facial skin contact impulses
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Detailed explanation-1: -The facial nerve provides motor innervation of facial muscles that are responsible for facial expression, parasympathetic innervation of the glands of the oral cavity and the lacrimal gland, and sensory innervation of the anterior two-thirds of the tongue.
Detailed explanation-2: -Your facial muscles are responsible for two major tasks: Chewing (also called masticating). Making facial expressions, such as smiling, pouting or raising your eyebrows in surprise.
Detailed explanation-3: -Sensation on the face is innervated by the trigeminal nerves (V) as are the muscles of mastication, but the muscles of facial expression are innervated mainly by the facial nerve (VII) as is the sensation of taste.
Detailed explanation-4: -The muscles of facial expression are derivatives of the 2nd pharyngeal arch and are innervated by facial nerve (CN VII). These muscles originate from bone or fascia and insert on skin to provide the movements of facial expression.