(a) Describe the roles of oestrogen, parathyroid hormone (PTH) and vitamin D in the development of...
(a) Describe the roles of oestrogen, parathyroid hormone (PTH) and vitamin D in the development of osteoporosis. [15 marks] (b) Describe the nutritional risk factors for the development of osteoporosis. [5 marks]
Homework Answers
Answer=
Roles of oestrogen, in the development of osteoporosis is as follows:
1. Oestrogen is female sex hormone that is essential to female bone health.
2.Oestrogen promotes the activity of osteoblasts ,these are the cells that produce bone.
3.when level of Oestrogen drop during menopause ,the osteoblasts are not able to effectively produce bone.
Roles of parathyroid hormone (PTH) in the development of osteoporosis is as follows:
1. parathyroid hormone (PTH) increases bone formation and thereby improves bone density and bone strength in postmenopausal women with osteoporosis.
2. parathyroid hormone (PTH) raises the blood calcium level by breaking down the bone and causing calcium release. increasing the body's ability to absorb calcium from food.
3.If there is overproduction of parathyroid hormone (PTH) causes our bones to release calcium more constantly into the blood stream.This causes the bones to lose their density and hardness.this loss of calcium from bones is called as osteoporosis.
Roles of vitamin D in the development of osteoporosis is as follows:
1.Vitamin D is important in for healthy bone & it reduces the development of osteoporosis.
Add Answer to:
(a) Describe the roles of oestrogen, parathyroid hormone (PTH)
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3) Calculate the test statistic that would be used to test whether there is a significant association between vitamin D and PTH. 4) How many degrees of freedom will this test statistic have under the...
3) Calculate the test statistic that would be used to test
whether there is a significant association between vitamin D and
PTH.
4) How many degrees of freedom will this test statistic have
under the null hypothesis? Enter your answer as a number only (do
not write "DF" as part of your answer).
5) Dr. Mueller is able to (correctly) calculate a p-value of
0.005. Draw a (one sentence) conclusion for her, relating back to
the context of the problem....
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11. Regarding the reflex pathway for parathyroid hormone (PTH) release, place the following statements in the proper sequence. a. calcium levels increase b. parathyroid hormone is sent to effector organs C. parathyroid cells detects deviation d. parathyroid cell initiates a response e. kidneys reabsorb calcium f. calcium levels decrease 12. List two reasons (besides strong bones) why Ca" is important to regulate 13. A decrease in plasma glucose is detected by the pancreas, the pancreas formulates a response, alpha cells...
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3) Calculate the test statistic that would be used to test
whether there is a significant association between vitamin D and
PTH.
4) How many degrees of freedom will this test statistic have
under the null hypothesis? Enter your answer as a number only (do
not write "DF" as part of your answer).
5) Dr. Mueller is able to (correctly) calculate a p-value of
0.005. Draw a (one sentence) conclusion for her, relating back to
the context of the problem....
Multiple-choice/True-false/Matching: 1. The thyroid parafollicular cells produce parathyroid hormone (PTH). a) true b) false 2. The sebaceous glands are examples of endocrine glands. a) true b) false 3. An exophthalmic goiter is caused by a deficiency of iodine. a) true b) false 4. Which pancreatic hormone acts to increase blood glucose levels? a) GHRH b) GnRH c) insulin d) FSH e) glucagon 5. The target organs for FSH are both the ovaries and the testes. a) true b) false 6....
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7. Discuss the effects of hormones on bone development, and wexplain the homeostatic mechanisms involved "Calcium metabolism, Vitamin D synthesis, bone remodeling" 8. List and describe the major bones of the Axial Skeleton and the Appendicular Skeleton. 9. List, describe and provide functions of the Fontanelles. 10. Compare and contrast the cervical vertebrae, thoracic vertebrae, and lumbar vertebrae. 11. Describe the basic structure of a synovial joint, and describe common accessory structure and their functions 12. List all of the...
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