Chemical Coordination And Integration Question 25

Question: The hormone released by “X” marked in the given figure helps to restore Y. Identify X and Y.

Options:

A) X Y Thyroxine Too much calcium in the blood

B) PTH Lowered levels of calcium in blood.

C) Thymosin Decreased level of blood sugar.

D) Adrenaline Excessive loss of sodium in extracellular fluid.

Show Answer

Answer:

Correct Answer: B

Solution:

[b] The label X represents parathyroid gland.

It helps to restore lowered levels of calcium in blood.

Too much calcium in the blood is restored by calcitonin, secreted by thyroid gland.

Decreased level of blood sugar is restored by insulin, secreted by pancreas.

Excessive loss of sodium in extracellular fluid is restored by aldosterone, secreted by adrenal gland.