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  • Human urine is acidic becauseOption: 1 Sodium transporter exchanges one hydrogen ion for each sodium ion in peritubular capillaries</di

Human urine is acidic because

Option: 1

Sodium transporter exchanges one hydrogen ion for each sodium ion in peritubular capillaries


Option: 2

Excreted plasma proteins are acidic


Option: 3

Potassium and sodium exchange generates acidity


Option: 4

Hydrogen ions are actively secreted into the filtrate


Answers (1)

best_answer

 

 

Properties of Urine -

Physical Properties:

  • The quantity of urine depends on the water intake, external temperature, the diet and the in­dividual’s mental and physical condition
  • A high protein diet increases excretion be­cause the urea formed as a result of catabolism of protein has a diuretic action.
  • The diuretic action of tea, coffee and co­coa is due to caffeine.
  • The decreased volume of urine in hot weather is due to an increased loss of wa­ter by perspiration.
  • Increased urine volumes are observed in diabetes insipidus, diabetes mellitus and certain types of kidney diseases and de­creased volumes are found in acute ne­phritis, fevers, diseases of the heart, diarrhoea and vomiting.
  • Normal urine is pale yellow or amber. Very dilute urine is colour­less.
  • The colour of the urine is caused by the pigment urochrome. It is a breakdown product of haemoglobin.
  • The pH range of urine is normally between 4.5 and 8.2.
  • Fresh urine is normally aromatic.
  • The ammoniacal smell of urine is due to the action of bacteria on urea.
  • The smell of urine is due to urinode 

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Due to the presence of hydrogen ions in the filtrate, human urine is acidic. Hence the correct option is Hydrogen ions are actively secreted into the filtrate

Posted by

manish painkra

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