Q159 / 200 · NEET 2005 · Zoology

In a man, abducens nerve is injured. Which one of the following functions will be affected?

  • Correct answer
    A
    movement of the eyeball
  • B
    movement of the tongue
  • C
    swallowing
  • D
    movement of the neck.

Solution

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).

Hence, the correct answer is option: 'A'.

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