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प्रश्न
Define the Glomerular Filtration Rate (GFR).
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उत्तर
Glomerular filtration rate is the amount of glomerular filtrate formed in all the nephrons of both kidneys per minute. In a healthy individual, it is about 125 ml/minute.
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संबंधित प्रश्न
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Filtration of excretory wastes from the blood occurs in:
State if the following statement is true or false. Correct the statement if it is false.
The Bowman’s capsule and glomerulus together form the Malpighian body.
Name the following:
Organ where ultrafiltration occurs.
Give the working of the nephron.
Write the functional activity of the following structure: Bowman’s capsule
When a molecule or ion is reabsorbed from the lumen of the nephron, where does it go? If a solute is filtered and not reabsorbed from the tubule, where does it go?
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.
Concentration of urine depends upon which part of the nephron
Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.
Identify the biological term
A ball of inter twined capillaries.
Identify the biological term
Carry urine from the kidneys to the bladder.
Identify the biological term
Removal of useful substances from glomerular filtrate.
What is the nitrogenous waste produced by amphibian larvae and by the adult animal?
What is tubular secretion? Name the substances secreted through the renal tubules.
Which part of the nephron allows the selective reabsorption of useful substances like glucose, amino acids, salts and water into the blood capillaries?
Filtration of the blood takes place at ______.
Sort the following into actively or passively transported substances during reabsorption of GFR.
glucose, amino acids, nitrogenous wastes, Na+, water
The composition of glomerular filtrate and urine is not same. Comment.
