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Anatomy and Physiology Practice Test: The Endocrine System
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Anatomy and Physiology Practice Test: The Endocrine System
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25 Questions

1. Both ʺturn onʺ factors (hormonal, humoral, and neural stimuli) and ʺturn offʺ factors (feedback inhibition and others) may be modulated by the activity of the nervous system.
2. ADH ________.
3. Which of the following is not a change that may be caused by hormonal stimulus?
4. Which of the choices below is not a factor required for target cell activation by hormone receptor interaction?
5. All adenohypophyseal hormones except GH affect their target cells via a cyclic AMP second messenger.
6. Which of the following is not a category of endocrine gland stimulus?
7. Cellular responses to hormones that initiate second-messenger systems include ________.
8. Normal development of the immune response is due in part to hormones produced by the ________.
9. Several hormones are synthesized in the hypothalamus and transported to the anterior pituitary gland. The mechanism of transportation from hypothalamus to anterior pituitary gland is through the ________.
10. Many hormones synthesized in the gastrointestinal tract are chemically identical to brain neurotransmitters.
11. Which of the following is not a cardinal sign of diabetes mellitus?
12. The antagonistic hormones that regulate the blood calcium level are calcitonin-parathormone.
13. All of the following hormones are secreted by the adenohypophysis: ACTH, FSH, and LH.
14. Follicle cells of the thyroid gland produce thyroglobulin, while follicle cells of the parathyroid produce calcitonin.
15. Thyroxine is a peptide hormone, but its mechanism is different from other peptide hormones. Which of the following statements is true concerning this difference?
16. Sometimes prolonged excessive exposure to high hormone concentrations causes a phenomenon known as ________.
17. Cells that respond to peptide hormones usually do so through a sequence of biochemical reactions involving receptor and kinase activation. In order for cells to respond, it is necessary for first and second messengers to communicate. This is possible because ________.
18. Thyroid hormone exerts its influence by ________.
19. Which of the following is true about calcium homeostasis?
20. When it becomes necessary to enlist the fight-or-flight response, a hormone that is released during the alarm phase of the general adaptation syndrome is ________.
21. Gluconeogenesis occurs in the liver due to the action of ________.
22. What ion is sometimes used as a second messenger of amino acid based hormones?
23. Although glucagon is a small polypeptide, it is nevertheless very potent in its regulatory effects.
24. The parathyroid glands maintain adequate levels of blood calcium. This is accomplished through ________.
25. The only amine hormone to act like a steroid is ________.