A Smooth, Sustained Contraction, with No Evidence of Relaxation, Is

Question

A smooth, sustained contraction, with no evidence of relaxation, is called ________.
A) fused, or complete, tetanus
B) a twitch
C) unfused, or incomplete, tetanus
D) summing of contractions

Accepted Answer

A smooth, sustained contraction with no evidence of relaxation is called a fused, or complete, tetanus. This occurs when the muscle fibers are stimulated so rapidly that they do not have a chance to relax at all between stimuli.