Which of the following functions does dopamine serve?
Correct answer: B. Neurotransmitter
- A. Transmission blocker
- B. Neurotransmitter
- C. Anesthesia
- D. Sedative
Explanation
Dopamine, along with acetylcholine, norepinephrine (noradrenaline), glycine, GABA, serotonin, etc., acts as a neurotransmitter. Dopamine is a neurotransmitter and hormone that plays a crucial role in movement, motivation, pleasure, and the brain's reward system. Hence, option B is correct.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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