RAJASTHAN PMT Rajasthan - PMT Solved Paper-2010

  • question_answer
    A person passes much urine and drinks much water but his blood glucose level is normal. This conditions may be the result of

    A)  a reduction in insulin secretion from pancreas

    B)  a reduction in vasopressin secretion from posterior pituitary

    C)  a fall in the glucose concentration in urine

    D)  an increase in secretion of glucagon

    Correct Answer: B

    Solution :

    As the basic function of vasopressin (a hormone secreted from neurohypophysis) is to conserve body water. Its failure or hyposecretion leads to a reduction in renal absorption on water and a consequent elimination of a large volume of every dilute (hypotonic) urine, ie, diabetes insipidus.


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