Which of these is not a symptom of major depressive disorder?

The process of saying something over and over as a way to keep it in memory is called ________________________.

Which of the following is most likely to develop PTSD?

Panic disorder is very common, while having a panic attack itself is much less common. 

Dissociative amnesia involves different personalities.

Which disorder often presents itself in late teens/early adulthood?

In harmful dysfunction definition of psychological disorders, dysfunction involves 

Stephanie was home when her grandmother, who lives with them, when she had a stroke and was taken by paramedics. Stephanie was terrified and she can not get that memory out of her head. This would be an example of 

In adult vertebrates, a group of organs makes ____________ 

Which statement factors into artificial but not natural selection?