In response to high blood calcium levels, the thyroid gland releases a hormone that works to lower blood calcium. This is an example of which endocrine control method?Multiple ChoiceChanging plasma levels of a substance stimulate a gland directly.The nervous system stimulates a gland directly.The hypothalamus and pituitary stimulate a peripheral endocrine gland.
Question
In response to high blood calcium levels, the thyroid gland releases a hormone that works to lower blood calcium. This is an example of which endocrine control method?Multiple ChoiceChanging plasma levels of a substance stimulate a gland directly.The nervous system stimulates a gland directly.The hypothalamus and pituitary stimulate a peripheral endocrine gland.
Solution
The correct answer is: Changing plasma levels of a substance stimulate a gland directly.
This is an example of direct endocrine feedback. In this case, the high blood calcium levels (the changing plasma levels of a substance) directly stimulate the thyroid gland to release a hormone to lower the blood calcium levels. This is a common method of endocrine control, where the levels of a certain substance in the blood directly influence the activity of a certain gland.
Similar Questions
Blood calcium level is regulated in part by , a hormone secreted by the thyroid gland when the blood calcium level rises.
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Which hormone lowers blood calcium level?
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