Midterm Flashcards
What are the two types of stress
Eustress
Distress
What is acute stress
Fight or flight
List the process of acute stress
Stress Body reacts to stimulus Inc heart rate Stress resolves Return to homeostasis
4 factors of definition of stress
Event = arousal
Response to demand
Body response to stimulus
Inability to cope
What are the stages of chronic stress
alarm reaction
stage of resistance
stage of exhaustion
What is a theory
Scientifically accepted principle
What are the 3 theories of stress
Life events - more resources needed
Hardiness - attitude important
Social support - not enough support to cope
what is a stressor
a stimulus that causes stress reaction
What are the 7 types of stressor (BIESPPP)
Biological - ill Institutional - policies Environmental - toxins Sociological - racism Psychological - depression Philosophical - purpose physical - noise
What is stress reactivity
likelihood of ill effects from stress
2 depending factors on likelihood of stress
Duration
Degree
what is strain
outcomes of reactivity
3 types of strain
physical
psychological
behavioral
What are the two major components of the brain
Cerebral cortex - upper part - thinking functions
Subcortex - lower part - physiological processes
What are the 4 parts of the sub cortex
Cerebellum - coordinates body movements
Medulla oblongata - regulates basic processes
Pons - regulates sleep cycle
Diencephalon - regulates emotions
what are the 2 parts of the diencephalon and also what does it include
Thalamus - relays sensory impulses to cerebral cortex
Hypothalamus - activates the autonomic nervous system
Includes: limbic system - seat of emotions
What activates the stress response
hypothalamus
What are the 2 stress pathways
Autonomic nervous system - fight or flight
Endocrine system - short + long term stress response
List the whole stress pathway
Stressor
Cortex
Thalamus
Hypothalamus
Either:
1. Posterior hypothalamus = Epinephrine and norepinephrine - adrenal
- Anterior hypothalamus = Corticoids + Thyroxin released
Then - pituitary activated = Vasopressin + Oxytocin released
What does the endocrine system do
has glands that secrete hormones to regulate processes
What 4 pathways activate the endocrine system
Adrenal cortex
Adrenal medulla
Thyroid
Vasopressin + Oxytocin
What does the adrenal cortex secrete
Glucocorticoids = cortisol Mineralocorticoids = aldosterone
What does cortisol do
provide fuel for fight or flight
What does aldosterone do
increases blood pressure
What does the adrenal Medulla secrete
Epinephrine - adrenalin
Norepinephrine
What does the thyroid gland secrete
Thyroxin
What hormones increases blood pressure and what secretes them
Vasopressin and Oxytocin
Pituitary gland
2 autonomic nervous pathways
sympathetic - expends energy
Parasympathetic - conserves energy
What does stress do to the digestive system
reduce saliva production
increase hydrochloric acid production
alters peristalsis
what does stress lead to in muscles
bracing
What is psychosomatic disease
mind and body disease
What is the difference between psychogenic and somatogenic
psychogenic - caused by emotional stress
somatogenic - mind increases body chance of disease