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Author Question: Heroin and other opiate drugs are thought to be functionally similar to: a. dopamine b. ... (Read 53 times)

Mr.Thesaxman

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on: Jun 22, 2018
Heroin and other opiate drugs are thought to be functionally similar to:
 
  a. dopamine
  b. acetylcholine
  c. endorphins
  d. GABA
  e. serotonin

Question 2

The system that filters blood before it enters the brain is called the __________.
 
  a. periventricular system
  b. blood-brain barrier
  c. neural filtration system
  d. hippocampus


owenfalvey

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Reply #1 on: Jun 22, 2018
Answer to Question 1

c

Answer to Question 2

b


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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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