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प्रश्न
In which segment of the nephron most of the re-absorption of substances takes place?
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उत्तर
In proximal convoluted tubule cells, Glucose, lactate, amino acids, Na+ and water, are reabsorbed. In the descending limb of Henle’s loop, water is reabsorbed. In the ascending limb, Na+, Cl and K+ are reabsorbed. In the distal convoluted tubule, water is reabsorbed.
संबंधित प्रश्न
Define the Glomerular Filtration Rate (GFR).
Explain the autoregulatory mechanism of GFR.
Reabsorption of water from distal parts of the tubules is facilitated by hormone ______.
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Filtration of excretory wastes from the blood occurs in:
Fill in the blank :
The unit of human kidney is called .....................
Fill in the blank :
Evaporation of sweat from the skin surface has ............... effect.
Define the following:
Dialysis
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.
Differentiate between
bowman’s capsule and glomerulus.
Explain the terms ultrafiltration and selective absorption
Write the functional activity of the following structure: Bowman’s capsule
Multiple Choice Question: Ultrafiltration occurs in:
Answer the following question.
Effective filtration pressure was calculated to be 20 mmHg; where glomerular hydrostatic pressure was 70 mm of Hg. Which other pressure is affecting the filtration process? How much is it?
Higher Order Thinking Skill
Why do you think that urine analysis is an important part of medical diagnosis?
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.
Identify the biological term
Consists of the kidneys, ureters and bladder.
Identify the biological term
Removal of useful substances from glomerular filtrate.
First step in urine formation is ______.
What are the main processes of urine formation?
