Adaptation to Stress Flashcards
What is stress?
Interaction between person and environment that challenges how a person will cope.
What is a stressor?
Anything in the environment that causes a person to have stress.
What is the difference between distress and eustress?
Distress is damaging to the individual while eustress is an outcome of a positive event.
What is the medulla oblongata responsible for?
Heart rate, Blood pressure and respiration rate
General Adaptation Syndrome (GAS)
three-stage physical and physiologic reaction to stress
3 Stages of General Adaptation Syndrome
Alarm
Resistance
Exhaustion
Physiologic response to GAS: Alarm stage
When stressor is detected, ANS tells medulla oblongata to increase blood flow to organs which increases awareness and ability to think and respond to stressors.
Blood in brain has an increase in glucose, epinephrine, and norepinephrine to assist with individual’s reaction to stressor.
Reticular formation supports coordination between sensory and motor tract.
Brain will alert the limbic-hypothalamic-pituitary-adrenal axis.
Limbic-hypothalamic-pituitary-adrenal axis
Limbic area of the brain communicates with hypothalamus that stress is occurring
Hypothalamus secretes corticotropin-releasing factor which alerts pituitary gland.
Pituitary gland secretes adrenocorticotropic hormone that lets the adrenal cortex release cortisol.
Cortisol mobilizes energy response
Resistance Stage
Body stabilizes and returns to normal.
Hormone levels return to normal
PNS activity
Adaptation to stressors.
Exhaustion Stage
Individual’s body does not adapt to stress.
Continues in alarm-stage format until body becomes exhausted and cannot sustain the changes.
Locus of control
Hypothesis based on how individual’s will respond to a task with regard to their own sense of goal attainment.
Includes thoughts, beliefs, aptitudes, culture and value.
Internal control
Internal control is something they can contribute to their success.
Tend to have better outcomes, becomes more motivated and less likely to conform to social influences.
External control
External control is a task completion beyond their control.
More likely to conform to social influences.
Social Readjustment Rating Scale
consists of 43 stressors that are assigned a point value.
The greater the number of points, higher probability of developing illness
Interventions to promote health in face of stress
Assess for causal factors and coping skills Identify stress and type of stress Humor Compartmentalization Exercise Healthy diet Sufficient sleep Prevent isolation Cognitive behavioral therapy (CBT) Stop, Divert and Reframe