Biology · Coordination and Control
Work through this past-paper style MCQ, then read the full explanation. Practice more biology questions on mMCQ with adaptive practice and topic analytics.
Which of the following functions does dopamine serve?
- A
Transmission blocker
- B
Neurotransmitter
- C
Anesthesia
- D
Sedative
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.
Transmission blocker: Dopamine does not block transmission; rather, it is involved in transmitting signals between neurons.
Dopamine, along with acetylcholine, norepinephrine (noradrenaline), glycine, GABA, serotonin, etc., acts as a neurotransmitter. Hence, option B is correct.
Anesthesia: Dopamine is not used as an anesthetic; anesthetics are substances used to induce loss of sensation or consciousness.
A sedative is a drug that calms the nervous system, reducing anxiety and promoting relaxation or sleep.
Tagged under Biology · Coordination and Control · 2023