PATHOLOGY MCQ
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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decreases reabsorption of water and salts
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increases reabsorption of hydrogen ions
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increase reabsorption of salts
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increases reabsorption of water
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Detailed explanation-1: -ADH primarily affects the ability of the kidney to reabsorb water; when present, ADH induces expression of water transport proteins in the late distal tubule and collecting duct to increase water reabsorption.
Detailed explanation-2: -Higher the concentrations of ADH tightens the blood vessels, which increases the blood pressure. The ADH is activated by the posterior portion of the pituitary gland. The anti-diuretic hormone is secreted by the neurohypophysis of the pituitary gland.
Detailed explanation-3: -ADH hormone is associated with water absorption by the kidney. Hyposecretion of ADH leads to low water absorption and volume of urine is increased. So the volume of blood will decrease and finally blood pressure will decrease. More ADH leads to increased blood volume and consequently high blood pressure.