17 Study Guide

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NursyDaisy
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137384
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17 Study Guide
Updated:
2012-04-30 20:38:04
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Pathophysiology
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Description:
Mechanisms of Hormonal Regulation
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  1. Organs that respond to a particular hormone are called:
    A. target organs.
    B. responder organs.
    C. hormone attack organs.
    D. integrated organs.
    e. None of the above is correct.
    A. target organs.
    (this multiple choice question has been scrambled)
  2. A major feature of the "plasma membrane receptor" mechanism of hormonal action is:
    a. action of cyclic AMP.
    b. increased lysosomal activity.
    c. requirement of a second messenger.
    d. All of the above are correct.
    e. Both a and c are correct.
    e. Both a and c are correct. (a. action of cyclic AMP. c. requirement of a second messenger.)
  3. A major feature of the "activation of genes" mechanism of hormonal action is:
    A. lysosomal activity increases.
    B. the hormone enters the cell.
    C. a hormone-Golgi complex is used.
    D. a second messenger is used.
    e. All of the above are correct.
    B. the hormone enters the cell.
    (this multiple choice question has been scrambled)
  4. A hormone having an antidiuretic effect similar to that of antidiuretic hormone (ADH) is:
    A. insulin.
    B. aldosterone.
    C. oxytocin.
    D. adrenocorticotropic hormone (ACTH).
    E. hGH.
    C. oxytocin.
    (this multiple choice question has been scrambled)
  5. The hypothalamus controls the adenohypophysis by direct involvement of:
    A. cerbrocortical controlling factors (CCCF).
    B. nerve impulses.
    C. prostaglandins.
    D. regulating hormones.
    e. None of the above is correct.
    D. regulating hormones.
    (this multiple choice question has been scrambled)
  6. Hormones convey regulatory information by:
    a. endocrine signaling.
    b. paracrine signaling.
    c. autocrine signaling.
    d. synaptic signaling.
    e. All of the above are correct.
    e. All of the above are correct.
  7. If calcium levels in the blood were too high, thyrocalcitonin (calcitonin) concentrations in the blood should:
    A. increase, but this would not affect osteoclasts.
    B. increase, thereby inhibiting osteoclasts.
    C. increase, thereby stimulating osteoclasts.
    D. decrease, thereby stimulating osteoclasts.
    E. decrease, thereby inhibiting osteoclasts.
    B. increase, thereby inhibiting osteoclasts.
    (this multiple choice question has been scrambled)
  8. In the negative feedback mechanism controlling thyroid hormone secretion, which is the nonregulatory hormone?
    A. thyroxine
    B. thyroid-stimulating hormone (TSH)
    C. thyrotropin-releasing hormone (TRH)
    d. All of the above are regulatory for thyroid.
    A. thyroxine
    (this multiple choice question has been scrambled)
  9. The control of parathyroid hormone is most accurately described as:
    A. positive feedback controlled by the pituitary.
    B. negative feedback controlled by the hypothalamus.
    C. Both a and c are correct.
    D. negative feedback involving the pituitary.
    E. negative feedback not involving the pituitary.
    E. negative feedback not involving the pituitary.
    (this multiple choice question has been scrambled)
  10. Mineralocorticoids
    A. blood cell formation
    B. bone mineralization
    C. usually no function
    D. anti-inflammatory
    E. conserves sodium
    E. conserves sodium
    (this multiple choice question has been scrambled)
  11. Glucocorticoids
    A. usually no function
    B. bone mineralization
    C. blood cell formation
    D. antiinflammatory
    E. conserves sodium
    D. antiinflammatory
    (this multiple choice question has been scrambled)
  12. The renin-angiotensin-aldosterone system begins to function when renin is secreted by the:
    A. adrenal cortex.
    B. pancreas.
    C. adrenal medulla.
    D. kidneys.
    e. None of the above is correct.
    D. kidneys
    (this multiple choice question has been scrambled)
  13. The effects of adrenal medullary hormones and the effects of sympathetic stimulation can be described as:
    A. variable depending on the sex involved.
    B. opposites in some respects.
    C. opposites in all respects.
    D. overlapping in most respects.
    E. overlapping in some respects.
    D. overlapping in some respects.
    (this multiple choice question has been scrambled)
  14. Which best describes the respective effects of insulin and glucagon on blood sugar?
    A. Insulin raises blood sugar; glucagon lowers it.
    B. Both lower blood sugar.
    C. Insulin lowers blood sugar; glucagon raises it.
    D. Both raise blood sugar.
    e. None of the above is correct.
    C. Insulin lowers blood sugar; glucagon raises it.
    (this multiple choice question has been scrambled)
  15. The releasing hormones produced in the hypothalamus travel to the anterior pituitary via the:
    A. infundibular stem.
    B. stem neurons.
    C. hypophyseal stalk.
    D. hypophysial portal system.
    D. hypophysial portal system.
    (this multiple choice question has been scrambled)
  16. Which anabolic hormone increase muscle protein synthesis?
    A. aldosterone
    B. T4
    C. insulin
    D. FSH
    C. insulin
    (this multiple choice question has been scrambled)
  17. Aldosterone maintains electrolyte balance by:
    a. retention of potassium.
    b. elimination of sodium.
    c. retention of both Na and K.
    d. Both a and b are correct.
    e. None of the above is correct.
    e. None of the above is correct.
  18. ACTH
    A. mammary glands
    B. adenohypophysis
    C. thyroid gland
    D. adrenal medulla
    E. adrenal cortex
    E. adrenal cortex
    (this multiple choice question has been scrambled)
  19. TSH
    A. adrenal medulla
    B. thyroid gland
    C. mammary glands
    D. adrenal cortex
    E. adenohypophysis
    B. thyroid gland
    (this multiple choice question has been scrambled)
  20. TRF
    A. mammary glands
    B. thyroid gland
    C. adrenal medulla
    D. adenohypophysis
    E. adrenal cortex
    D. adenohypophysis
    (this multiple choice question has been scrambled)
  21. Prolactin
    A. mammary glands
    B. adrenal medulla
    C. thyroid gland
    D. adrenal cortex
    E. adenohypophysis
    A. mammary glands
    (this multiple choice question has been scrambled)
  22. Epinephrine
    A. cause(s) fight-or-flight response
    B. stimulate(s) skin pigmentation
    C. influence(s) inflammatory response
    D. inhibit(s) growth
    E. act(s) as minor sex hormones
    F. control(s) Na+, H+, and K+ levels
    A. cause(s) fight-or-flight response
    (this multiple choice question has been scrambled)
  23. Glucocorticoids
    A. stimulate(s) skin pigmentation
    B. act(s) as minor sex hormones
    C. cause(s) fight-or-flight response
    D. control(s) Na+, H+, and K+ levels
    E. influence(s) inflammatory response
    F. inhibit(s) growth
    E. influence(s) inflammatory response
    (this multiple choice question has been scrambled)
  24. Mineralocorticoids
    A. inhibit(s) growth
    B. act(s) as minor sex hormones
    C. stimulate(s) skin pigmentation
    D. cause(s) fight-or-flight response
    E. control(s) Na+, H+, and K+ levels
    F. influence(s) inflammatory response
    E. control(s) Na+, H+, and K+ levels
    (this multiple choice question has been scrambled)
  25. Gonadocorticoids
    A. stimulate(s) skin pigmentation
    B. inhibit(s) growth
    C. control(s) Na+, H+, and K+ levels
    D. cause(s) fight-or-flight response
    E. act(s) as minor sex hormones
    F. influence(s) inflammatory response
    E. act(s) as minor sex hormones
    (this multiple choice question has been scrambled)

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