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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. Aldosterone is the most potent mineralocorticoid produced in the adrenals but the least abundant.
2. Follicle cells of the thyroid gland produce thyroglobulin, while follicle cells of the parathyroid produce calcitonin.
3. Sometimes prolonged excessive exposure to high hormone concentrations causes a phenomenon known as ________.
4. Normal development of the immune response is due in part to hormones produced by the ________.
5. How do glucocorticoids enable the body to deal appropriately with stress?
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. Although glucagon is a small polypeptide, it is nevertheless very potent in its regulatory effects.
8. Leptin is secreted by ________.
9. Cellular responses to hormones that initiate second-messenger systems include ________.
10. Hormones often cause a cell to elicit multiple responses; this is because ________.
11. All of the following hormones are secreted by the adenohypophysis: ACTH, FSH, and LH.
12. In humans, melatonin may inhibit sexual maturation.
13. Thyroid hormone (a small iodinated amine) enters target cells in a manner similar to ________.
14. Which of the following is true about calcium homeostasis?
15. The thyroid gland is a large gland that controls metabolic functions throughout the life of an individual.
16. Aldosterone ________.
17. The most important regulator of electrolyte concentrations in extracellular fluids is ________.
18. Glucocorticoids are steroid hormones that usually enhance the immune responses when an individual is suffering from severe stress.
19. The endocrine gland that is probably malfunctioning if a person has a high metabolic rate is the parathyroid.
20. Which organ is responsible for synthesizing ANP?
21. LH is also referred to as a gonadotropin.
22. The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on ________.
23. Gluconeogenesis occurs in the liver due to the action of ________.
24. Oxytocin is a strong stimulant of uterine contractions.
25. The major targets of growth hormone are ________.

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