Quiz: The Ventricles and Cerebrospinal Fluid

1. There are four ventricles of the brain consisting of fluid that flows from one ventricle to the other. Which of the following correctly describes the flow of fluid from one ventricle to the next?
a. fluid in the lateral ventricles flow through the interventricular foramen to the third ventricle, then through the cerebral aqueduct to the fourth ventricle, then in and around the spinal cord
b. fluid in the lateral ventricles flow through the cerebral aqueduct to the third ventricle, then through the interventricular foramen to the fourth ventricle, then in and around the spinal cord
c. fluid in the lateral ventricles flow through the interventricular foramen to the third ventricle, then through the cerebral aqueduct to the pons, then through the fourth ventricle, and then in and around the spinal cord
2. Cerebrospinal fluid is produced by the __________.
a. cells of the hypothalamus
b. subarachnoid cells of the cerebrum
c. ependymal cells of the choroid plexus
3. The cerebrospinal fluid serves several functions. One of the functions is to pick up waste products from the CNS. The CSF then transports the waste to the venous system so the body can ultimately get rid of the waste. How does the CSF transport waste to the venous system?
a. through the arachnoid villi
b. through the choroid plexus
c. through the interventricular foramen

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