BRAIN
CRANIAL NERVES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the modality of the optic nerve?
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SVA
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SSA
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GSA
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GVA
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Explanation:
Detailed explanation-1: -Cranial Nerve Modalities Conduct information from the body tissues to the CNS. General sensory (general somatic afferent). Transmit sensory information (e.g., touch, pain, and temperature), conducted mainly by CN V but also by CNN VII, IX, and X. Special sensory (special visceral afferent).
Detailed explanation-2: -GSA (general somatic afferent): receive sensory information from the skin, skeletal muscles and joints. GVA (general visceral afferent): receive sensory information from the viscera (organs) SSA (special somatic afferent): receive sensory information from the ectodermal retina, cochlear and vestibular apparatus.
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