The Tonic Phase of a Grand Mal Seizure Begins

Multiple Choice

The tonic phase of a grand mal seizure begins

A) when the cortex is inhibited by messages sent from diencephalic structures.
B) when an aura is produced within the cerebellum.
C) when neurons in the motor cortex contract the body muscles.
D) with an excessive release of glutamate in the hippocampus.
E) with a suppression of glycine release within the brain stem.