The Brain Stem Is Located in the Posterior Fossa and Forms

question 1

Multiple Choice

The brain stem is located in the posterior fossa and forms the floor of the fourth ventricle.It is the site of many ascending and descending fiber tracts that allow for communication among the structures of the brain and between the brain and spinal cord.The brain stem consists of which three structures?

• A) Dura, epidural space, and subdural space
• B) Midbrain, pons, and medulla oblongata
• C) Mesencephalon, cephalon, and cerebrum
• D) Pons, medulla, and foramen magnum

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