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Noradrenaline is classified as a/an:

1. Neurotransmitter
2. Antidepressant
3. Antihistamine
4. Antacid

Correct answer: Neurotransmitter

Solution

Noradrenaline (norepinephrine) is a chemical messenger released at nerve endings to transmit impulses, i.e. a neurotransmitter. Its deficiency is associated with depression, which is why antidepressants act on it, but noradrenaline itself is a neurotransmitter.

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