How would a drug that competes with ACh for receptors

NEET PG Pharmacology
#1

How would a drug that competes with ACh for receptors at the motor end plate affect skeletal muscle ? It would:

    1. Produce uncontrolled muscle spasms
    1. Cause the muscles to contract and be unable to relax
    1. Cause muscles to relax and be unable to contract
    1. Make the muscles more excitable

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EXP:

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.