Pathophysiology Introductory Concepts and Clinical Perspectives F.A. Davis Complete Study Guide Part 2

Acute stress ANSWER: A temporary pattern of stressor-activated arousal with a distinct onset and limited duration. Chronic stress ANSWER: •Prolonged activation of stress response to a perceived threat that does not abate rapidly •Chronic stress has been linked to diminishing immunity, cancer, heart disease, depression, and other illness Selye's Stress Response Theory ANSWER: §Stress response involves neural, endocrine, and immune responses •Short-term ‒Protective effect •Prolonged exposure ‒Diminishing effectiveness Three stages of response to stress ANSWER: 1) Alarm reaction 2) Resistance development 3) Exhaustion alarm stage ANSWER: -The first stage of the general adaptation syndrome, in which the person experiences a burst of energy that aids in dealing with the stressful situation (Fight or flight response). -Activation of CNS, SNS, and adrenal glands -SNS: release norepinephrine Activation of endocrine system ANSWER: Resistance Stage ANSWER: *Body staves off stressor through continued hormonal and catecholamine (Epi/NorEp) releas