A similarity between acute stress disorder and post-traumatic stress disorder is that both:

A) occur six months or more after a traumatic event and tend to persist.
B) are characterized by feelings of anxiety and helplessness that are caused by a traumatic event.
C) occur within a month of a traumatic event and last only for a week.
D) are characterized by loss of memory that is caused by a traumatic event.

Post-Traumatic Stress Disorder

A psychiatric disorder that occurs after seeing or going through a frightening ordeal, marked by persistent flashbacks, traumatic nightmares, and high levels of anxiety.

Acute Stress Disorder

Acute Stress Disorder is a mental health condition characterized by the development of severe anxiety, dissociation, and other symptoms that occur within a month after exposure to a traumatic event.

Anxiety

A feeling of worry, nervousness, or unease, often about an impending event or something with an uncertain outcome.