Aveteran of the war in afghanistan was diagnosed with posttraumatic stress disorder (ptsd). the veteran says, "if there's a loud noise at night, i get under my bed because i think we're getting bombed." what type of experience has the veteran described?

I believe the answer is: flashback

Flashback refers to a psychological occurrence that make people involuntarily relieving memories of events that happen in the past. People with ptsd constantly having flashback regarding traumatic events that happen to them in the battlefield which resulted in constant outburst of aggressive behaviour even after they got home.

answer; negative punishment;

answer; the parasympathetic nervous system;