A sudden, violent contraction of one or more voluntary muscles is called a(n)

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A convulsion is defined as a sudden, violent contraction of one or more voluntary muscles. Coma (A) is a state of appearing unconscious but without an accompanying loss of vital signs, concussion (B) is a mild traumatic brain injury that results in temporary loss of brain function, epilepsy (C) is a neurological disorder characterized by recurrent seizures, and spasm (E) is an involuntary contraction of a muscle.

A Sudden, Violent Contraction of One or More Voluntary Muscles