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Author Question: The observation that ________ is an effective treatment for attention-deficit/hyperactivity (ADHD) ... (Read 160 times)

jhjkgdfhk

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on: Jun 22, 2018
The observation that ________ is an effective treatment for attention-deficit/hyperactivity (ADHD) suggests that ADHD results from ________.
 
  A) methylphenidate; understimulation of dopamine transmission
  B) haloperidol; overstimulation of dopamine transmission
  C) fluoxetine; a deficit in serotonin transmission
  D) fenfluramine; overstimulation of serotonin transmission
  E) methylphenidate; overstimulation of dopamine transmission

Question 2

A drug such as methylphenidate that blocks the dopamine transporter would be expected to
 
  A) reduce the likelihood of activation of other neurons.
  B) impair dopamine neurotransmission.
  C) increase synaptic levels of dopamine.
  D) decrease synaptic levels of dopamine.
  E) aggravate the behavioral symptoms of attention-deficit/hyperactivity disorder.


briezy

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

Answer: A
Rationale: The observation that methylphenidate is an effective treatment for attention-deficit/hyperactivity (ADHD) suggests that ADHD results from understimulation of dopamine transmission.

Answer to Question 2

Answer: C
Rationale: A drug such as methylphenidate that blocks the dopamine transporter would be expected to increase synaptic levels of dopamine.


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jhjkgdfhk

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Reply #2 on: Jun 22, 2018
Thank you


briezy

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Reply #3 on: Jun 22, 2018
No problem :)


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