The medulla oblongata: a) lies between the midbrain and ponsb) has only one cranial nerve emerging from it (the trigeminal nerve)) c) has pyramids lateral to the olivesd) passes through the foramen magnume) receives its blood supply from the internal carotid artery
Question
The medulla oblongata: a) lies between the midbrain and ponsb) has only one cranial nerve emerging from it (the trigeminal nerve)) c) has pyramids lateral to the olivesd) passes through the foramen magnume) receives its blood supply from the internal carotid artery
Solution
The medulla oblongata:
a) False. The medulla oblongata lies between the pons and the spinal cord, not the midbrain and pons.
b) False. The medulla oblongata has several cranial nerves emerging from it, not just the trigeminal nerve. These include the glossopharyngeal, vagus, accessory, and hypoglossal nerves.
c) False. The pyramids are medial to the olives, not lateral.
d) True. The medulla oblongata does pass through the foramen magnum as it is the lowermost part of the brainstem, connecting the brain with the spinal cord.
e) False. The medulla oblongata receives its blood supply from the vertebral arteries, not the internal carotid artery.
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