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Human urine is usually acidic because:
(a)hydrogen ions are actively secreted into the filtrate.
(b)the sodium transporter exchanges one hydrogen ion for each sodium ion, in peritubular capillaries.
(c)excreted plasma proteins are acidic
(d)potassium and sodium exchange generates acidity

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Important Questions on Excretory Products and Their Elimination
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In mammals, which blood vessel would normally carry the largest amount of urea?

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The part of nephron involved in active reabsorption of sodium is:-

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A decrease in blood pressure/volume will not cause the release of:

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In which the following condition can activate the JG cells to release renin:-

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The Glomerular capillary blood pressure causes filtration of blood through?

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Which of the following play a significant role in the maintenance of high osmolarity of medulla interstitial fluid?

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Which of the following hormone causes vasoconstriction:-

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Each kidney of an adult human measures:
