Question 1
Which structure protects the brain from harmful substances traveling in the blood?
◦ the cerebrospinal fluid
◦ the cerebellum
◦ the blood-brain barrier
◦ the ventricles
◦ the meninges
Question 2
Which substance builds up abnormally in Alzheimer's disease?
◦ glycogen
◦ fat
◦ amyloid protein
◦ glycolipids
◦ aminoglycosides