The calcium concentration in plasma is regulated at about:

10 m g L^{- 1}

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100 m g L^{- 1}

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1 m g L^{- 1}

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1000 m g L^{- 1}

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Solution

The correct option is B $100 m g L^{- 1}$
The calcium concentration in plasma is regulated at about $100 m g L^{- 1}$ . It is maintained by two hormones: calcitonin and parathyroid hormone.

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Similar questions

	Lymph	Blood
(i)	It consists of plasma and leucocytes only.	It consists of plasma, leucocytes, erythrocytes and platelets only.
(ii)	The concentration of glucose is higher in lymph.	The concentration of glucose is less in blood.
(iii)	Amount of metabolic wastes is normal.	Amount of metabolic wastes is much more.
(iv)	Its plasma has fewer proteins, calcium and phosphorus.	Its plasma has more proteins, calcium and phosphorus.

Assertion(A): Excess amount of calcium is regulated by calcitonin.
Reason(R): Calcitonin deposits excess calcium in the blood in bones.

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