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n200080 [17]
3 years ago
6

Dopamine is a neurotransmitter involved in the reward pathways in the brain, and its decreased activity has been associated with

diseases such as Parkinson’s disease and attention-deficit/hyperactivity disorder (ADHD). Which of the following drugs is NOT a likely candidate to treat these diseases?
A. Methylphenidate, a dopamine reuptake inhibitor

B. Amphetamine, a dopamine-releasing agent that triggers the release of dopamine into the synaptic cleft

C. Carbidopa, which enhances the availability of the dopamine synthesis precursors in the brain

D. Forskolin, a sensitizer of dopamine receptors

E. Chlorpromazine, a dopamine antagonist that binds to and inhibits dopamine receptors
Biology
2 answers:
Snowcat [4.5K]3 years ago
6 0
The answer should be amphetamine a dopamine release agent that triggers the
Dmitry_Shevchenko [17]3 years ago
3 0

Answer:

The answer is E; Chlorpromazine, a dopamine antagonist that binds to and inhibits dopamine receptors

Explanation:

Chlorpromazine which is a dopamine antagonist is not a candidate to treat Parkinson's disease and attention-deficit/hyperactivity disorder (ADHD) because as a dopamine antagonist it works by binding to dopamine receptors but does not activate it, thus blocking the actions of dopamine or exogenous agonists.

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Explanation:

  • <u>Analogous Structures:</u>

As the similarity between two or more different organisms structure or any organ does not means that they have same ancestors or have the common origin from which the evolve into two different species. Now analogous structures are very much similar in there structure physically, but two different organisms may use them for the same function, which is astonishing to see or observe in way different species.

  • <u>For example:</u>

As the structure of the flipper of a Dolphin has similarity with the phalanges of a human being and with the wings of the bat. As all of them functions for the basic need of movement or locomotion from one point to another. While, all the three species are very much different in there features and are not the same obviously.

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