Ansil Has Posttraumatic Stress Disorder

Ansil has posttraumatic stress disorder.What is likely to be true about Ansil's biochemical reactions?

A) His parasympathetic nervous system is less reactive, and his norepinephrine is over-reactive.
B) His sympathetic nervous system is over-reactive and his HPA axis is less reactive.
C) His hippocampus is overactive, and his fight-or-flight response is extended.
D) His prefrontal cortex is shrinking, and his hindbrain is growing.

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