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प्रश्न
What are the main processes of urine formation?
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उत्तर
The main processes of urine formation are as follows:
- Glomerular filtration
- Reabsorption
- Secretion
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संबंधित प्रश्न
Explain the autoregulatory mechanism of GFR.
Explain the process of formation of urine with suitable diagram
Fill in the blank :
The unit of human kidney is called .....................
One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.
ADH, Water, pituitary, osmoregulation, urine
Explain the terms ultrafiltration and selective absorption
Give Reasons for the following:
As a result of ultrafiltration along with excretory products certain useful products like glucose, salt, etc. are also filtered but these are not excreted?
Multiple Choice Question: In the Bowman’s capsule:
Which segment is the site of secretion and regulated reabsorption of ions and pH homeostasis?
If the afferent arteriole of the nephron constricts, what happens to the GFR in that nephron? If the efferent arteriole constricts what happens to the GFR in that nephron? Assume that no auto regulation takes place.
Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.
During ultra:filtration, ____________ is unable to filter through the glomerular capillaries.
Na+ excretion in the urine is reduced by secretion of ______
Proximal convoluted tubule differs from distal convoluted tubule being lined by ______
The osmotic pressure of blood that opposes ultrafiltration is about ______ mm Hg.
Sort the following into actively or passively transported substances during reabsorption of GFR.
glucose, amino acids, nitrogenous wastes, Na+, water
Complete the following:
Urinary excretion = Tubular reabsorption + Tubular secretion –
The composition of glomerular filtrate and urine is not same. Comment.
How does tubular secretion help in maintaining ionic and acid-base balance in body fluids?
Name the following:
Three stages of urine formation.
