Greg stays up all night during finals week studying for exams. As the week progresses, his muscles tighten and he develops a stiff neck. By the last day of finals, he is taking more frequent breaks, leaning back in the desk chair, and staring off into space. He arrives for the last test with a sore throat and headache.

Which of the following best describes Greg's response to stress?

Greg's case is a classic general adaptation syndrome, which describes the process a body goes through under stress. When a body undergoes constant stress, it eventually will exhaust itself, resulting in poor health and mood.