Lecture 20: Physiology of Stress

Question 1

Stimulus based definition of stress

Answer 1

Stress is a demanding or threatening event/situation

Question 2

Response-based definition of stress

Answer 2

Stress as a response to environmental conditions

Question 3

Cognitive appraisal theory of stress

Answer 3

Occurs when perceived demands exceed existing resources

Question 4

Eustress

Answer 4

Stress that can be positive and motivate us to do things

Question 4

Hormesis

Answer 4

low-dose amounts have a beneficial effect and high-dose amounts are inhibitory or toxic

Question 5

Distress

Answer 5

Bad stress

Question 6

Walter Cannon

Answer 6

Coined the term fight or flight

Question 7

Hypothalamic-pituitary-adrenal acxis

Answer 7

Cortisol is released by adrenal glands, gives immediate energy

Question 8

Sympathetic nervous system

Answer 8

Release of epinephrine and norepinephrine in the blood

Question 9

general adaptation syndrome

Answer 9

body’s non specific physiological response to stress

Question 10

Stages of general adaptation syndrome

Answer 10

Alarm reaction, stage of resistance. stage of exhaustion