What is the neurotransmitter that crosses the neuromuscular junction? A. Acetylcholine (ACh) B. Adrenalin (epinephrine) C. Noradrenalin (norepinephrine) D. Ca ++
Option A. Acetyl choline is the neurotransmitter that crosses the neuromuscular junction. All somatic motor neurons launch ACh at their synapses with skeletal muscle fi bres, that is, on the neuromuscular junction.
