PHYSIOLOGY
GENERAL PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Oliver, an 88-year-old patient, suffered from a stroke. He complains that he does not have sensation in the posterior one-third of the tongue. Damage to which cranial nerve would cause loss of general sensation of the posterior one-third of the tongue?
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Cranial Nerve IX-Glossopharyngeal Nerve
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Cranial Nerve X-Vagus Nerve
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Cranial Nerve XI-Accessory Nerve
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Cranial Nerve XII-Hypoglossal Nerve
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Explanation:
Detailed explanation-1: -The optic nerve is the sensory nerve that involves vision. When light enters your eye, it comes into contact with special receptors in your retina called rods and cones.
Detailed explanation-2: -The branch of the facial nerve that innervates the anterior two-thirds of the tongue is the chorda tympani nerve.
Detailed explanation-3: -Answer and Explanation: The statement that “Cranial nerves carry either sensory or motor messages, but never both” is false.
Detailed explanation-4: -Efferent nerves carry impulses from the brain that cause muscles to contract, controlling cervical movements.
There is 1 question to complete.