Why Can Acetylcholine Be Stimulating or Inhibiting?

The neurotransmitter acetylcholine is excitatory at the neuromuscular junction in skeletal muscle, causing the muscle to contract. ... The acetylcholine molecule binds to a G protein-coupled receptor, triggering a downstream response that leads to inhibition of muscle contraction.

Which of the following best explains why acetylcholine can be stimulating or inhibiting?

The effect of acetylcholine can be stimulating or inhibiting. Which of the following gives the best explanation for why this is so? ... Acetylcholine has a "dose effect". Larger doses are stimulating while small doses inhibit.

Does acetylcholine inhibit or stimulate?

Acetylcholine can stimulate a response or block a response and thus can have excitatory or inhibitory effects.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.