HLTH101 Chapter Notes - Chapter 3: Tension Headache, Prefrontal Cortex, Renews-Cappahayden
24 Aug 2016
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Document Summary
Core concepts chapter 3: stress - the constant challenge. What is stress: often described as an uncomfortable response to a negative event describes nervous tension. In common usage stress isn"t broken up, here it is described in 2 parts: the stressor situation or event that triggers physical or emotional reaction and the stress response reactions to the trigger. Stress describers the physical and emotional state of an individual accompanying the stress response. Physical responses to stressors: actions of the nervous system. Consists of the brain, spine, and nerves, part of the system is under voluntary control and the other is not under conscious supervision (autonomic nervous system controls digestion, heart rate, breathing) Parasympathetic division: control when you are relaxed, digesting food, storing energy and promoting growth. Sympathetic division: activated during arousal, exercise, emergency (fear, pain, anger), commands body to stop storing energy and use it in response to a crisis.
