NURSING 2LA2 Lecture Notes - Lecture 2: Circulatory System, Respiratory System, Acne Vulgaris
Document Summary
Stress: a normal physiological response, a persons consciour appraisal that a disturbance has occurred. Contain 3 parts: stressors an external or internal stimulus that alters homeostasis. External stimuli an external demand that triggers emotional, behavioural, and physical reactions. Eustressors (positive), distressors (negative), and neutral stressors (which don"t necessarily lead to the stress response) exist: stress response, pathophysiological sequelae that occurs. Promotes breakdown of fatty acids in acute stage. Can be measured by looking at the metabolites in. Negative loss of muscle mass, nitrogen depletion, immune system suppression, hyperglycemia, & cardiovascular wear and tear. Tough, fibrous capsule enclosed in fat for protection: capsule, adrenal cortex - 80-90% of the glands contents. Facilitates the excretion of h (role in ph) Is made of cortisol (& small amounts of cortisone and corticosterone) Dhea, converted to testosterone or estrogen: adrenal medulla. Made up of chromaffins cells, or pheochromocytes .