Select the single best answer to the numbered question.
The autonomic nervous system
The blood-nerve barrier is established by
Evidence that nervous tissue in the CNS is metabolically very active is provided by all of the following observations EXCEPT
Which of the following statements about myelination is correct?
Which of the following morphological features of brain capillaries is most central to the functional blood-brain barrier?
Which of the following statements about a myelinated axon of the CNS is correct?
Gray matter is to white matter as
Movement of membrane organelles within the neuronal axon in a direction away from the cell body is due to the activity of
If axons in the PNS are transected (cut), then the neurons associated with these axons will exhibit all of the following features EXCEPT
Which of the following best describes tissue in the CNS?
a nerve is always characterized by