Which of the Following Best Describes the Difference in Mechanism

question 54

Multiple Choice

Which of the following best describes the difference in mechanism of action between methylphenidate and amphetamine?

• A) Amphetamine works on dopamine, methylphenidate on norepinephrine.
• B) Amphetamine works on norepinephrine, methylphenidate on dopamine.
• C) Amphetamine increases the release of dopamine from presynaptic vesicles; methylphenidate slows the dopamine transporter system that removes dopamine from the synaptic cleft.
• D) Methylphenidate increases the release of dopamine from presynaptic vesicles; amphetamine slows the dopamine transporter system that removes dopamine from the synaptic cleft.

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