Test 3: Stress and Health Flashcards
Stress
the physical and psychological response to internal or external stressors.
Stressors
specific events or chronic pressures that place demands on a person or threaten the person’s well-being.
Chronic Stressors
a source of stress that occurs continuously or repeatedly.
Health Psychology
the subfield of psychology concerned with ways psychological factors influence the causes and treatment of physical illness and the maintenance of health.
More daily hassles associated with more psychological and physical ___
stress
Performance of children under flight path:
higher BP and gave up more easily on difficult problems/puzzles.
Stressors challenge individuals to take some action to _____ the stressor.
eliminate or overcome
Studies of perceived control show that ____ underlies stressors.
loss of control
Expecting to have control over what happens to you is associated with ___ with stress.
dealing
Stress activates a response through the ___
HPA axis (hypothalamus, pituitary, adrenal)
During stress, ____ AND ___ increase.
catecholamines (epinephrine, norephinephrine) and cortisol
catecholamines
increase HR, BP, respiration rate
cortisol
increase glucose in blood to fuel muscles
Flight-or-fight Response
an emotional and psychological reaction to an emergency that increases readiness for action.
Immune System
a complex response system that protects the body from bacteria, viruses, and other foreign substances.
lymphocytes
white blood cells that produce antibodies that fight infection. T cells, B cells, NK cells
Psychoneuroimmunology (PNI)
study of how immune system responds to psychological variables like stressors.
What causes heart disease
- Atherosclerosis
- Plaques - Sedentary lifestyle
- Smoking
- High fat and high cholesterol diet
- Chronic Stress
- Sympathetic NS -> increase BP -> damages blood vessels ->accumulate plaques
Type A behavior pattern
- the tendency toward easily aroused hostility, impatience, a sense of time urgency, and competitive achievement strivings.
- 2/3 of men in study who had heart attacks were Type A, 1/3 of them were type B
Friedman & Rosenman
-Hostility predicts heart disease better than any other causal factor like smoking, diet, cholesterol
Once a person is already sick, ____ emotions affect course of illness and recovery
negative
Feeling anxious, depressed, helpless…
delays wound healing after surgery (feeling hopeful significantly speed up healing)