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In a man, abducens nerve is injured. Which one of the following functions will be affected?
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The correct answer is:
movement of the eyeball
The abducens nerve is the sixth paired cranial nerve. It has a purely somatic motor function-providing innervation to the lateral rectus muscle responsible for outward gaze.
Related Theory
Six cranial nerves innervate motor, sensory, and autonomic structures in the eyes. The six cranial nerves are the optic nerve (CN II), oculomotor nerve (CN III), trochlear nerve (CN IV), trigeminal nerve (CN V), abducens nerve (CN VI), and facial nerve (CN VII).
Related Theory
Six cranial nerves innervate motor, sensory, and autonomic structures in the eyes. The six cranial nerves are the optic nerve (CN II), oculomotor nerve (CN III), trochlear nerve (CN IV), trigeminal nerve (CN V), abducens nerve (CN VI), and facial nerve (CN VII).
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