Assertion: The person with diabetes insipidus | vedclass

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(C) Vasopressin,also known as Antidiuretic Hormone $(ADH)$,is secreted by the posterior pituitary gland.Diabetes insipidus is a disorder caused by the

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If the Assertion is correct but Reason is incorrect.

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(C) Vasopressin,also known as Antidiuretic Hormone $(ADH)$,is secreted by the posterior pituitary gland.Diabetes insipidus is a disorder caused by the deficiency (hyposecretion) of vasopressin,not its excess.Due to the lack of $ADH$,the kidneys are unable to reabsorb water effectively,leading to the excretion of large volumes of dilute urine (polyuria).This excessive loss of water leads to dehydration,which causes the person to feel extremely thirsty (polydipsia).Therefore,the Assertion is correct,but the Reason is incorrect.

Column $I$	Column $II$
$(a)$ Glycosuria	$(i)$ Accumulation of uric acid in joints
$(b)$ Gout	$(ii)$ Mass of crystallised salts within the kidney
$(c)$ Renal calculi	$(iii)$ Inflammation in glomeruli
$(d)$ Glomerular nephritis	$(iv)$ Presence of glucose in urine

Assertion: The person with diabetes insipidus feels thirsty.
Reason: $A$ person with diabetes insipidus suffers from excess secretion of vasopressin.

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Assertion: The person with diabetes insipidus feels thirsty.Reason: $A$ person with diabetes insipidus suffers from excess secretion of vasopressin.