BRAIN
CRANIAL NERVES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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1, 3, and 8
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1, 2 and 8
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3, 4, and 6
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1, 2, and 7
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Detailed explanation-1: -The olfactory nerve, the optic nerve, the facial nerve, the vestibulocochlear nerve, the glossopharyngeal nerve, and the vagus nerve each play roles in special sensory functions (i.e. olfaction, vision, gustation, audition, and balance).
Detailed explanation-2: -The eighth cranial nerve is the vestibulocochlear nerve. Arising from the brainstem between the pons and medulla, it comprises two nerves responsible for different functions. The vestibular component deals with information related to balance, with the cochlear nerve relaying information related to hearing.
Detailed explanation-3: -Cranial nerve XII (Hypoglossal nerve) Cranial nerves I, II, and VIII are considered purely afferent nerves since they conduct sensory information from the olfactory region, the retina of the eye, and the inner ear structures, respectively.