<prompt> How did that competes with ACh for receptors at the motor end plate affects skeletal muscle?it would:Produce and control muscles spasmsCause the muscles to contract and be unable to relaxCause muscles to relax and be unable to contractMake the muscle more excitable  <response>: Ref: KDT 6e 340 Drugs competing with ACh at neuromuscular junction are competitive or non-depolarizing neuromuscular blockers. These drugs are used as muscle relaxants. In contrast to depolarizing muscle relaxants, these donot cause initial fasciculations. 