<prompt> Answer this question truthfullyWhat is suggested by the presence of flashbacks, avoidance with depressive mood, and hypervigilance following a traumatic event lasting for more than one month?  <response>: <reason> What is suggested by the presence of flashbacks, avoidance with depressive mood, and hypervigilance following a traumatic event lasting for more than one month? Post-traumatic stress disorder PTSD is suggested by these symptoms. 