Multiple choice

Alterations in which neurotransmitters in the brain by pharmacological agents has been shown to influence fatigue development?

  1. Dopamine and serotonin

  2. Acetyl choline and nor-adrenaline

  3. Amphetamines and acetyl choline

  4. Glutamate and serotonin
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A Correct answer
Explanation

Many different factors are involved in the subjective sensation of fatigue and there is growing evidence that events occurring within the brain may be just as important. These involve a variety of neurotransmitters. Administration of drugs that affect dopamine and serotonin activity in the brain has been shown to affect exercise performance.

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