Author Question: The observation that ________ is an effective treatment for attention-deficit/hyperactivity (ADHD) ... (Read 114 times)

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
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

  • Sr. Member
  • ****
  • Posts: 347
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

For a complete list of videos, visit our video library