A patient is surprised to learn that cerebrospinal fluid will be removed during a lumbar puncture and asks the purpose of the fluid.What should the nurse explain to the patient? (Select all that apply.)

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Cerebrospinal fluid permits the exchanges of nutrients and wastes between the blood and CNS neurons.It also acts as a cushion or shock absorber for the CNS.A.The cerebrospinal fluid does not interpret sensory information.B.Blood and not cerebrospinal fluid provides oxygen to brain tissue.D.Nerves and not cerebrospinal fluid conduct electrical impulses between the brain hemispheres.

A Patient Is Surprised to Learn That Cerebrospinal Fluid Will