HLSC 1F90 Lecture 10: Understanding & Managing Stress

• School: Brock University
• Department: Health Sciences
• Course: HLSC 1F90
• Professor: Dr Kelli An Lawrence

Document Summary

Stressors (i. e. , demands, situations or events) trigger physical and emotional reactions that are subjectively perceived to be stressful. The physical and emotional reactions to the stressor is known as the stress response is the general physiological and emotional state that accompanies the stress response. The individual"s own thoughts and perceptions determine whether a demand, situation, or event is stressful. The same as demand, situation, or event may evoke different levels of stress for different individuals. Whether the stress comes from positive or negative stressors, a consistent physiological response occurs in the human body: general adaptation syndrome. Characterized by almost instantaneous physical changed called fight-or-flight response (hormonal, cardiovascular, metabolic, and other changes) Alarm activates the autonomic nervous system (ans: the ans is part of central nervous system that regulates body processes such as heart rate, respiration, and glandular functions. It is comprised of sympathetic nervous system and parasympathetic nervous system. Hypothalamus stimulates adrenal glands to release epinephrine (aka adrenaline)