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The blood calcium level is lowered by the deficiency of
Options
(a) parathormone
(b) thyroxine
(c) both calcitonin and parathormone
(d) calcitonin
Correct Answer:
parathormone
Explanation:
A peptide hormone secreted by the parathyroid gland in response to low levels of calcium in the blood. It acts to maintain normal blood levels of calcium by increasing the number of osteoclasts, which break down the bone matrix and release calcium into the blood. It also increases the reabsorption of calcium and magnesium ions in the kidney tubules, so that their concentration is maintained in the blood.
Related Questions: - Mycorrhiza works as
- A non proteinaceous enzyme is
- Four healthy people in their twenties got involved in injuries resulting in damage and death
- Which one of the following is not true about lichens?
- Nitrogen fixation in root nodules of Alnus is brought about by:
Topics: Neural Control and Chemical Coordination
(195)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Mycorrhiza works as
- A non proteinaceous enzyme is
- Four healthy people in their twenties got involved in injuries resulting in damage and death
- Which one of the following is not true about lichens?
- Nitrogen fixation in root nodules of Alnus is brought about by:
Topics: Neural Control and Chemical Coordination (195)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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