You, as the rest of us, have experienced stressors with the potential to elicit a stress reaction. Some of these stressors have resulted in an increased heart rate, tense muscles, perspiration, and other stress reactions. Other stressors, though, seem not to produce those effects. Have you ever wondered why some stressors elicit a stress response while others do not? To explore this question, start by listing three stressors you have encountered that have resulted in a stress reaction: