PATHOLOGY MCQ
NERVOUS SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Dopamine
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Epinephrine
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Serotonin
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Norepinephrine
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Detailed explanation-1: -Chemically, serotonin is a monoamine neurotransmitter, known as 5-HT. It is a derivative of tryptophan and is extensively found in the gastrointestinal tract, platelets and the CNS. Some of the functions of serotonin in the CNS include the regulation of mood, appetite, sleep, as well as muscle contraction.
Detailed explanation-2: -Serotonin plays a key role in such bodily functions as mood, sleep, appetite, anxiety, digestion, blood clotting and sexual desire.
Detailed explanation-3: -In addition, we will extend the monoamine hypothesis to basic emotions; as suggested in our previous reports, the three monoamine neurotransmitters play different roles in emotions: dopamine-joy, norepinephrine-fear (anger), serotonins-disgust (sadness).
Detailed explanation-4: -Serotonin has a wide variety of functions in the human body. People sometimes call it the “happy” chemical because it contributes to well-being and happiness. Serotonin appears to affect mood, emotions, appetite, and digestion. As the precursor for melatonin, it helps regulate sleep-wake cycles and the body clock.