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Multiple Choice
Which of the following ventricles is located directly beneath the corpus callosum in the brain?
A
Lateral ventricle
B
Third ventricle
C
Fourth ventricle
D
Cerebral aqueduct
Verified step by step guidance
1
Understand the anatomy of the brain: The corpus callosum is a thick band of nerve fibers that connects the left and right hemispheres of the brain. It is located in the central part of the brain, above the ventricles.
Review the ventricular system of the brain: The brain contains interconnected cavities called ventricles, which are filled with cerebrospinal fluid (CSF). The main ventricles are the lateral ventricles, third ventricle, fourth ventricle, and cerebral aqueduct.
Identify the location of the lateral ventricles: The lateral ventricles are paired structures located in each hemisphere of the brain. They are positioned directly beneath the corpus callosum and are the largest ventricles in the brain.
Compare the other options: The third ventricle is located in the midline of the brain, beneath the lateral ventricles. The fourth ventricle is located in the brainstem, and the cerebral aqueduct is a narrow channel connecting the third and fourth ventricles.
Conclude that the lateral ventricles are the correct answer based on their anatomical position directly beneath the corpus callosum.