Multiple choice

Which of the following statements is not correct?

  1. Optic nerve arising from the eye and ending in the brain is called mixed nerve.

  2. A nerve arising from brain and supplying blood to the muscles of the eyeball for rotating the eye is a motor nerve.

  3. The myelin sheath acts like an insulation.

  4. A wave of irritability is called an impulse.

  5. Acetylcholine sets a new impulse in the dendrites of the adjacent neuron.
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A Correct answer
Explanation

Optic nerve arising from the eye and ending in the brain is a sensory nerve.

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