Medical-Surgical Nursing

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Medical-Surgical Nursing
2012-01-06 02:03:33
Vocabulary Chapter Six

Homeostatsis, Stress and Adaptation
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  1. Adaptation
    a change or alteration designed to assist in adapt-ing to a new situation or environment
  2. Adrenocorticotropic Hormone (ACTH)
    a hormone produced by the anterior lobe of the pituitary gland that stimulates the secretion of cortisol and other hormones by the adrenal cortex
  3. Antidiuretic Hormone (ADH)
    a hormone secreted by the pos-terior lobe of the pituitary gland that constricts blood vessels, elevates blood pressure, and reduces the excretion of urine
  4. Catecholamines
    any of the group of amines (such as epinephrine, norepinephrine, or dopamine) that serve as neurotransmitters
  5. Coping
    the cognitive and behavioral strategies used to manage the stressors that tax a person’s resources
  6. Dysplasia
    bizarre cell growth resulting in cells that differ in size, shape, or arrangement from other cells of the same tissue type
  7. Glucocorticoids
    the group of steroid hormones, such as corti-sol, that are produced by the adrenal cortex; they are involved in carbohydrate, protein, and fat metabolism and have anti-inflammatory properties
  8. Gluconeogenesis
    the formation of glucose by the liver from noncarbohydrate sources, such as amino acids and the glycerol portion of fats
  9. Guided Imagery
    the mindful use of a word, phrase, or visual image to achieve relaxation or direct attention away from uncomfortable sensations or situations
  10. Homeostasis:
    a steady state within the body; the stability of the internal environment
  11. Hyperplasia
    an increase in the number of new cells of a tissue
  12. Hypoxia
    inadequate supply of oxygen to the cell
  13. Inflammation
    a localized, protective reaction of tissue to in-jury, irritation, or infection, manifested by pain, redness, heat, swelling, and sometimes loss of function
  14. Metaplasia
    • a cell transformation in which there is conversion of one type of mature cell into another type of
    • cell
  15. Negative Feedback
    feedback that decreases the output of a system
  16. Positive Feedback
    feedback that increases the output of a system
  17. Steady State
    a stable condition that does not change overtime, or when change in one direction is balanced by change in an opposite direction
  18. Stress
    a disruptive condition that occurs in response to adverse influences from the internal or external environments