STRESS AND ADAPTATION
Definitions
- Stress: tension resulting from changes in the internal or external environment; either physiologic, psychologic, or social
- Stressors: agents or forces threatening an individual's ability to meet his or her needs
- Adaptation: an individual's (or the body's) reaction to and attempt to deal with stress
General Characteristics
- A certain amount of stress is necessary for life and growth, but excessive and continuous stress can be detrimental.
- Success of adaptation depends on perception of stressor(s), the individual's coping mechanisms, and biologic adaptive resources.
- Types of stressors: physical, chemical, microbiologic, psychologic, social.
General Adaptation Syndrome (Hans Selye)
Response to Stress
- Caused by release of certain adaptive hormones
- Three Stages
- Alarm Reaction
- Sympathetic nervous system is activated (fight-or-flight response)
- Results in increased heart rate, blood pressure, and respirations; dilated pupils; increased state of alertness; increased blood sugar and coagulability; increased tension of skeletal muscles
- Resistance: body adapts to stressor; uses physical, physiologic, and psychologic coping mechanisms.
- Exhaustion: adaptive resources are depleted, overwhelmed, or insufficient; if stress is excessive and continues, death will occur without support.
Stress Management/Nursing Responsibilities
- Instruct the client concerning ways to manage stress
- Eat a well-balanced diet.
- Get sufficient amount of rest.
- Exercise regularly.
- Use relaxation methods and techniques: e.g., deep breathing, guided imagery, progressive muscle relaxation, relaxation response, meditation, yoga, biofeedback.
- Engage in a social support system.
Tuesday, July 24, 2007
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This entry was posted on Tuesday, July 24, 2007
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