HLTH140 - Study Guide Exam 1

HLTH140 - Study Guide Exam 1 - Study Guide, Exam 1 HLTH...

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Unformatted text preview: Study Guide, Exam 1 HLTH 140, Fall 2010 Chapter 2 A.Define: Stress the general physiological and emotional state that accompanies the stress response. Stressor any physical or psychological event or condition that produces stress. Stress Response the physical and emotional changes associated with stress. B.Explain the bodys physical response to stress, including the actions of the nervous (somatic and autonomic) and endocrine systems. Two systems in the body are responsible for the physical response to stressors: 1. Nervous System consists of the brain, spinal cord, and nerves. Partly under voluntary control Automatic nervous system the branch of the nervous system that controls basic body processes; consists of two divisions: a.Parasympathetic division moderates the excitatory effect of the sympathetic division, slowing metabolism and resorting energy supplies; in control when you are relaxed, aids in digesting food, storing energy, and promoting growth b.sympathetic division reacts to danger or other challenges by almost instantly accelerating body processes; activated during times of arousal, including exercise and when there is an emergency, such as severe pain, anger, or fear. Uses the neurotransmitter norepinephrine to exert their actions on nearly every organ, sweat gland, blood vessel, and muscle to enable your body to handle an emergency 2. Endocrine system triggered by sympathetic nervous system during stress. System of glands, tissues, and cells helps control body functions by releasing hormones [chemical messenger produced in the body and transported in the bloodstream to target cells or organs for specific regulation of their activities] and other chemical messengers into the bloodstream to influence metabolism and other body processes.- sympathetic nerves cause the release of key hormones including cortisol and epinephrine which trigger physiological changes Fight-or-flight reaction- a defense reaction that prepares an individual for conflict or escape by triggering hormonal, cardiovascular, metabolic and other changes; in response to a stressor, autonomic nervous system and endocrine system prepare the body to deal with an emergency.-stressful situation ends and parasympathetic division takes command and halts stress response, restoring homeostasis state of stability and consistency in an individuals physiological functioning C.Discuss the factors that influence our emotional and behavioral responses to stress. 1. emotional factors: anxiety, depression, fear; determined in part by inborn personality or temperament, can learn to control and moderate 2. behavioral responses: controlled by {} and entirely under our control Somantic nervous system manages our conscious actions Talking, laughing, exercising, meditating, learning time-management skills and becoming more assertive can promote wellness; ineffective BR include overeating, expressing hostility, and using tobacco, alcohol, or other drugs...
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HLTH140 - Study Guide Exam 1 - Study Guide, Exam 1 HLTH...

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