<prompt> A lady while driving a car meets with an accident. She was admitted in an ICU for 6 months. After being discharged, she often gets up in night and feels terrified and has fear to sit in car again. The diagnosis is :Panic DisorderPhobiaConversion disorderPost-traumatic stress disorder  <response>: Ans. is d Post traumatic stress disorder PTSD is type of reaction to stress adjustment disorderSymptoms are not always immediate, there may be latency. There is no clear temporal relation. It is characterized byRecollection of stressful events in dreams images or thoughts.Sense of re-experiencing stressMarked avoidance of situation that arouse recollection of stressful eventsMarked anxietyAnhedonia inability to exp. pleasurePartial amnesia of stressful eventsOther stress reactions isAcute stress reaction -There is an Immediate clear temporal relation bw an exceptional stress death, accident, rape and onset of sympt.Symptoms resolves rapidly if stress is removed.If stress continues resolution of symptoms begin after, 1-2 days minimal after 3 days. 