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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. All of the following hormones are secreted by the adenohypophysis: ACTH, FSH, and LH.
2. Follicle cells of the thyroid gland produce thyroglobulin, while follicle cells of the parathyroid produce calcitonin.
3. One of the least complicated of the endocrine control systems directly responds to changing blood levels of ions and nutrients. Which of the following describes this mechanism?
4. What ion is sometimes used as a second messenger of amino acid based hormones?
5. The most important regulator of electrolyte concentrations in extracellular fluids is ________.
6. 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 ________.
7. Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called ________.
8. Steroid hormones exert their action by ________.
9. The major targets of growth hormone are ________.
10. Many hormones synthesized in the gastrointestinal tract are chemically identical to brain neurotransmitters.
11. In humans, melatonin may inhibit sexual maturation.
12. Which of the following is not a change that may be caused by hormonal stimulus?
13. The hypothalamic-hypophyseal tract ________.
14. Aldosterone is the most potent mineralocorticoid produced in the adrenals but the least abundant.
15. How do glucocorticoids enable the body to deal appropriately with stress?
16. ADH ________.
17. Aldosterone ________.
18. Although glucagon is a small polypeptide, it is nevertheless very potent in its regulatory effects.
19. 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 ________.
20. A man has been told that he is not synthesizing enough follicle-stimulating hormone (FSH), and for this reason he may be unable to father a child. Choose the correct statement to explain this problem.
21. Which organ does not have hormone production?
22. The antagonistic hormones that regulate the blood calcium level are calcitonin-parathormone.
23. Which of the following is not a category of endocrine gland stimulus?
24. Normal development of the immune response is due in part to hormones produced by the ________.
25. The parathyroid glands maintain adequate levels of blood calcium. This is accomplished through ________.

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