Ponypepper4335 Ponypepper4335 14-02-2024 Medicine contestada Fade during train-of-Four stimulation is caused by: 1. Antagonism of presynaptic nicotinic receptors 2. Decreased acetylcholine synthesis 3. Agonism of Presynaptic nicotinic receptors 4. Impaired presynaptic acetylcholine reuptake