A patient has a left temporal brain tumor. He smells an odor of ammonia prior to experiencing rapid rhythmic jerking movements. What is the odor of ammonia classified as?
A) Chemical agent evoked by the tumor
B) An aura prior to the seizure activity
C) The metastatic process of tumor growth
D) The inhibition of serotonin and acetylcholine
B
Feedback:
The smell of ammonia is an aura, which is a warning prior to seizure activity. The tumor will not evoke a chemical agent prior to the seizure. The metastatic process will not evoke a chemical smell. The chemical smell is not related to the inhibition of serotonin and acetylcholine.
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