Chronic abuse of methamphetamine reduces the number of dopamine ...

[Sufayan.ah]

Chronic abuse of methamphetamine reduces the number of dopamine transporters in the caudate nucleus and putamen, which may explain why these addicts
 
  Answer: C
  Rationale: Chronic abuse of methamphetamine reduces the number of dopamine transporters in the caudate nucleus and putamen, which may explain why these addicts are more likely to develop Parkinson's disease as they age.

Question 2

Which of the following is NOT true of nicotine addiction?
 
  A) Animals self-administer nicotine.
  B) Nicotine use is a habit, not an addiction.
  C) Most smokers smoke every day.
  D) Smokers continue to smoke after lung cancer or heart attacks.
  E) Humans smoke regularly or not at all.

[Dunkey]

Answer to Question 1

Answer: C
Rationale: Chronic abuse of methamphetamine reduces the number of dopamine transporters in the caudate nucleus and putamen, which may explain why these addicts are more likely to develop Parkinson's disease as they age.

Answer to Question 2

Answer: B
Rationale: Nicotine use is a habit, not an addiction.

[Sufayan.ah]

Thank you!

[Dunkey]

Happy to help