Patho Ch 17

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Author:
jchikuma
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120681
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Patho Ch 17
Updated:
2011-12-04 14:53:49
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Pathophysiology Hormone Regulation
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CD and WB questions
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  1. Organs that respond to a particular hormone are called:
    Target Organs
  2. A major feature of the "plasma membrane receptor" mechanism of hormonal action is:
    • Both a and c are correct
    • action of cyclic AMP and requirement of second messenger
  3. A major feature of the "activation of genes" mechanism of hormonal action is:
    the hormone enters the cell
  4. A hormone having an antidiuretic effect similar to that of antidiuretic hormone (ADH) is:
    oxytocin
  5. The hypothalamus controls adenohypophysis by direct involvement of:
    regulating hormones
  6. hormones convey regulatory information by:
    • All of the above are correct
    • endocrine, paracrine, autocrine, synaptic signaling
  7. If calcium levels in the blood were too high, thyrocalcitonin (calcitonin) concentrations in the blood should:
    increase, thereby inhibiting osteoclasts
  8. In the negative feed back mechanism controlling thyroid hormone secretion, which is the nonregulatory hormone?
    Thyroxine
  9. The control of parathyroid hormone is most accurately described as:
    negative feedback not involving the pituitary
  10. The renin-angiotensin-aldosterone system begins to function when renin is secreted by the:
    kidneys
  11. The effects of adrenal medullary hormones and the effects of sympathetic stimulation can be described as:
    overlapping in most respects
  12. Which best describes the repective effects of insulin and glucagon in blood sugar?
    insulin lowers blood sugar, glucagon raises it.
  13. The releasing hormones produced in the hypothalamus travel to the anterior pituitary via the
    hypophysial portal system
  14. Which anabolic hormone increases muscle protein synthesis?
    insulin
  15. Aldosterone maintains electrolyte balance by:
    none of the above is correct
  16. Which of the following is not a characteristic of a hormone?
    Hormones operate independent of feedback systems
  17. Which of the following is secreted by the posterior pituitary
    Oxytocin
  18. Which of the following is a true statement regarding the parathyroid gland(s)?
    Parathyroid hormone is the most important factor in Ca++ regulation
  19. Which of the following is not found in the thyroid gland?
    Chromophils
  20. Which of the following is secreted by the anterior pituitary?
    Prolactin
  21. A patient has a hormone-secreting tumor on the adrenal cortex. Which of the following would be expected if the outer two layers of the cortex had to be removed?
    Hyperkalemia
  22. Which of the following terms means "obvious changes in cell funtion that result from stimulation by a particular hormone"?
    Direct effects
  23. Which of the following is not an effect of glucocorticoids?
    Hypertensive
  24. A patient is diagnosed with type 1 diabeetes and is unable to produce insulin. Which of the following cells in the pancreas is most likely damaged in this patient?
    Beta
  25. Which of the following is not a part of the posterior pituitary?
    Pars distallis
  26. Which of the following is a true statement regarding the hypothalamus?
    It contains neurosecretory neurons that secrete releasing hormones

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