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NEET Biology Chemical Coordination and Integration Question Bank Self Evaluation Test - Chemical Co-ordination and Integration

  • question_answer
    Blood calcium levels are maintained because   the bones act as a calcium sink in which calcium can either be stored or procured based on the body's needs. If a person secretes too much parathyroid hormone (one possible factor in the bone disease osteoporosis), what happens to calcium levels in the body?

    A) Bone stores are depleted and the kidney move calcium.

    B) Bone stores are depleted and the kidney' retain calcium.

    C) Blood levels of calcium may read high

    D) Both [b] and [c]

    Correct Answer: D

    Solution :

    [d] In response to an excess of parathyroid hormone, the body works to conserve calcium. Liberation of calcium from the bones and retention by the kidneys may result in high blood levels.


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