A&P

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Author:
nikkibeck
ID:
107243
Filename:
A&P
Updated:
2011-10-08 06:25:22
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Endocrine System
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Description:
Endocrine System
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  1. What are the gereal functions of the endocrine system?
    • fluid and electrolyte balance
    • stress response
    • growth and development
    • protein, lipid, and carb metabolism
    • sexual maturation
  2. What does the anterior pituitary consist of?
    • growth hormone
    • prolactin
    • adrenocorticotropic hormone (ACTH)
    • thyroid stimulating hormone (TSH)
  3. What are the functions of the growth hormone?
    • anabolism (bone, muscle)
    • catabolism (adipose)
  4. What is the stimulus and frunction of prolactin?
    • stimulus: pregnancy and nursing
    • function: milk synthesis
  5. What is the stimulus and function of ACTH?
    • stimulus: decrease cortisol and stress
    • function: likes adrenal cortex >cortisol etc...
  6. What is the stimulus and function for TSH?
    • stimulus: decreased thyroid hormone
    • function: thyroid gland releases thyroid hormone
  7. What does posterior pituitary do?
    stores hormones made in hypothalamus
  8. What consist of posterior pituitary?
    oxytocin and antidiaretic hormone
  9. What is the stimulus and function of oxytocin?
    • stimulus: nursing
    • function: milk release (letdown)
  10. What is the stimulus and function of ADH?
    • stimulus: increase plasma osmality
    • function: H2O absorption (kidney)
  11. where is the thyroid gland located?
    anterior to trachea
  12. What does the thyroid gland consist of?
    thyroid hormone
  13. What is the stimulus and function of the thyroid hormone?
    • stimulus: decreased TH > increase TSH
    • function: basal metabolic rate (BMR)
  14. What is the location of the adrenal cortex?
    • adrenal- superior to kidney
    • cortex- outer
  15. What does the adrenal cortex consist of?
    aldosterone and cortisol
  16. What is the #1 stimulus and function of aldosterone?
    • #1 stimulus: decrease ECF
    • function: Na+ reabsorption (kidney) > H2O reabsorption
  17. What is the stimulus and function of cortisol?
    • stimulus: increase ACTH
    • function: maintains BP, resistance to stress, CHO, protein, fat metabolism
  18. What is the location of the adrenal medulla?
    inner
  19. What does adrenal medulla consist of?
    epinephrine and noreepinephrine
  20. What is the stimulus and function of epinephrine and norepinephrine?
    • stimulus: sympathetic discharge
    • function: maintains BP and resistance to stress
  21. What is the location of the pancreas?
    retro peritoneal, posterior and inferior to stomach
  22. What does the pancreas consist of?
    • glucogen
    • insulin
    • insulin-dependent tissue
  23. What is the stimulus and function of glucogen?
    • stimulus: decrease glucose
    • function: increase glucose
  24. What is the stimulus and function of insulin?
    • stimulus: increased glucose
    • functions:
    • A. anabolism (#1)
    • -glucose > glycogen
    • -fat synthesis
    • -protein synthesis
    • B. lowers glucose
  25. Which forms of thyroid hormone are active versus inactive?
    • T4 = inactive
    • T3 = active
  26. Does T4 remain inactive? Why?
    No, its turns to T3 when it hits the skin???
  27. Define insulin-dependent tissue and what are they?
    • requires insulin for glucose entrance into the cell
    • 1. skeletal
    • 2. cardiac muscle
    • 3. adipose tissue

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