Describe the structure of the blood-brain barrier and explain why it is important
What will be an ideal response?
Tightly joined endothelial cells form the capillary walls in the brain, making the blood-brain barrier. This protects the brain from harmful viruses, bacteria, and chemicals that might otherwise be able to enter the brain and cause damage.
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Nations that pioneered "normalization" in the treatment of intellectual developmental disorder include:
A) the United States and Canada. B) the former Soviet Union and China. C) Japan and Great Britain. D) Denmark and Sweden.
Valerie used to leave her room really messy and not make her bed. A month ago, her parents got tired of cleaning up after her and cut off Valerie's allowance until she stopped leaving her room in such a mess. Now, Valerie almost always has her room clean before she leaves the house. Based on what is known about operant conditioning, you should conclude that for Valerie, losing her allowance acted
as a: a. positive punisher for leaving her room messy b. negative reinforcer for leaving her room messy c. conditioned stimulus for leaving her room messy d. negative punisher for leaving her room messy