lemlD=93835204&offsets; next previous | 17 of 30 | next Part A Which of the foll

Question

lemlD=93835204&offsets; next previous | 17 of 30 | next Part A Which of the following statements regarding the homeostasis regulation of blood calcium is FALSE? NG PTH is secreted by the parathyroid glands and raises blood calcium levels that are below 8.5 mg/dL The three main organs that serve as the site for the O regulation of blood calcium levels are the bones, the intestines, and the pancreas Calcitonin inhibits the action of osteoclasts while having no effect on osteoblast activity. This helps to lowerthe blood calcium level whenever it exceeds 11 mg/dL The homeostasis of blood calcium is regulated by a negative feedback mechanism. Subrmit My Answers Give Up Continue

Explanation / Answer

First option is wrong the parathyroid harmone maintains the calcium levels between 9- to 10.2, 8.5 is too low a concentration for normal physiology. As soon as the levels fall below 9, the PTH is secreted.

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