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Multiple Choice
Which of the following is NOT a function of cerebrospinal fluid?
A
Providing nutrients to the nervous tissue
B
Transmitting nerve impulses
C
Protecting the brain and spinal cord from trauma
D
Removing waste products from the brain
Verified step by step guidance
1
Understand the primary functions of cerebrospinal fluid (CSF) in the central nervous system. CSF is crucial for providing nutrients to nervous tissue, protecting the brain and spinal cord from trauma, and removing waste products from the brain.
Recognize that CSF circulates within the ventricles of the brain and the subarachnoid space, serving as a cushion to protect the brain and spinal cord from mechanical injury.
Identify that CSF helps maintain a stable environment for the brain by removing waste products and providing essential nutrients, which are necessary for the proper functioning of nervous tissue.
Consider the process of nerve impulse transmission, which involves electrical signals traveling along neurons. This is a function of the nervous system itself, specifically the neurons, rather than the cerebrospinal fluid.
Conclude that transmitting nerve impulses is not a function of cerebrospinal fluid, as CSF does not play a direct role in the electrical signaling process of neurons.