Emma visits a “haunted house” attraction that is part of a local theme park. While she is inside, her heart races and her breathing becomes shallow. A few times she is so scared that she screams aloud. What kind of stress is Emma experiencing?

Emma’s fear response happens while she is inside the haunted house, so it is an immediate reaction to a present situation. Racing heart, shallow breathing, and screaming are signs of acute stress. Chronic stress lasts over a longer period, while pre-traumatic and post-traumatic stress occur before or after a traumatic event, respectively.

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