Question

The cranial nerves which originate from the medulla obolongata are

• A. IX, X, XI and XII
• B. III, VII and IX
• C. VII, VIII, IX and X
• D. VIII, IX, X, XI and XII

Answer 1

Answer: (D)

VIII, IX, X, XI and XII

The myelencephalon is also known as medulla oblongata. It contains a number of important afferent and efferent tracts of nerves. It also inherit the cross over of the pyramidal tracts, motor, sensory and autonomic nuclei of cranial nerves V, VIII, IX, X, XI, XII. Most of the lower cranial nerves originate from the medulla. Together with the pons and the midbrain, it forms the brainstem. So, the correct option is D.