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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: - High value of BOD(Biochemical OxygenDemand) indicates that :
- Collagen is
- In contrast to annelids, the platyhelminthes show
- DNA replication in bacteria occurs
- Sex hormones can work without the help of
Topics: Neural Control and Chemical Coordination
(195)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- High value of BOD(Biochemical OxygenDemand) indicates that :
- Collagen is
- In contrast to annelids, the platyhelminthes show
- DNA replication in bacteria occurs
- Sex hormones can work without the help of
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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