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USMLE · Question #521
USMLE Question #521: Real Exam Question with Answer & Explanation
The correct answer is A. Amygdala. See the full explanation below for the reasoning.
Question
A 54-year-old man comes to the physician for a follow-up examination 10 days after undergoing a stereotactic brain operation to remove a small tumor. The operation was successful. During the procedure, he was under conscious sedation. The patient recalls that at one point during the operation he experienced a sudden, intense feeling of overwhelming fear. Which of the following areas of the brain was most likely stimulated at that time?
Options
- AAmygdala
- BHippocampus
- CMammillary body
- DPrefrontal cortex
- EThalamus
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