_________ is an example for rapidly acting neurotransmitter?

Correct answer: B. Glycine

  • A. Somatostatin
  • B. Glycine
  • C. Substance P
  • D. Calcitonin

Explanation

Glycine is a rapidly acting inhibitory neurotransmitter that opens chloride channels through ionotropic receptors. Somatostatin, calcitonin and substance P generally act through slower peptide-receptor mechanisms.

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