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प्रश्न
What is dialysis? Under what condition is it carried out?
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उत्तर १
Dialysis involves the use of artificial kidney or a dialysis machine. The patient's blood is from the radial artery is led through the machine where excess salts and urea is removed. The purified blood is then returned to a vein in the same arm.
Dialysis is carried out in case of failure of both the kidneys. In case there is a permanent damage, then the dialysis is to be repeated for about 12 hours twice a week.
उत्तर २
An artificial kidney is a dialysis machine. When both the kidneys become fail to work the dialysis machine is used out. The patient’s blood is led from the radial artery in his arm through the machine where the urea and excess salts are removed and the purified blood is returned to a vein in the same arm. In case of permanent damage to the kidneys, dialysis has to be repeated for about 12 hours twice a week.
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संबंधित प्रश्न
Explain Selective reabsorption
Differentiate between
excretion and transpiration
Study the diagram given alongside and then answer the question that follow:
Name the region in the kidney where the above structure is present?
Explain in your own words with suitable examples.
How does excretion occur in human beings?
The diagram below represents a mammalian kidney tubule (nephron) and its blood supply. Parts indicated by the guidelines 1 to 8 are as follows:
1. U-shaped loop of Henle
2. Proximal convoluted tubule with blood capillaries
3. Bowman’s capsule
4. Afferent arteriole from the renal artery
5. Glomerulus
6. Venule to the renal vein
7. Collecting tubule
8. Distal convoluted tubule with blood capillaries Study the diagram and answer the following questions in each case:
(i) Where does ultrafiltration take place?
(ii) Which structure contains the lowest concentration of urea?
(iii) Which structure contains the highest concentration of urea?
(iv) Which structure contains the lowest concentration of glucose?
(v) Where is the most water reabsorbed?
Give Technical Term:
The organ which filters out urea and uric acid from the bloodstream.
Choose the Odd One Out:
In order to maintain homeostasis or constant internal environment . ______' is essential.
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
Give two examples of the following:
Nitrogenous waste
