Multiple Choice
The blood-brain barrier protects the brain
A) mostly during fetal development.
B) from fat-soluble substances.
C) by maintaining a brain blood supply that is separate from the circulation to the rest of the body.
D) through the action of astrocytes that reduce the permeability of small blood vessels.
E) and spinal cord and peripheral nervous system.
Correct Answer:
Verified
Correct Answer:
Verified
Q156: The part of the brain called the
Q157: If Na<sup>+</sup> channels open and sodium ions
Q158: The acetylcholine receptor is restored to its
Q159: Refer to the figure showing a neuromuscular
Q160: Some nerve gases inhibit _, causing acetylcholine
Q162: Toxins such as those from bacteria of
Q163: Which statement about microglia is false?<br>A) They
Q164: Which of the following is not a
Q165: Chemical synapses differ from electrical synapses in
Q166: Refer to the figure showing a cell