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प्रश्न
What is dialysis? Under what condition is it carried out?
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.
संबंधित प्रश्न
Match structures given in Column I with functions given in Column II.
| Column I | Column II | ||
| (i) | Stomata | (a) | Absorption of water |
| (ii) | Xylem | (b) | Transpiration |
| (iii) | Root hairs | (c) | Transport of food |
| (iv) | Phloem | (d) | Transport of water |
| (e) | Synthesis of carbohydrates |
Draw the well-labelled diagram of the human excretory system
Where is the dirty blood in our body filtered?
What does the bladder in our body do?
A dialysis machine contains long tubes coiled in a tank containing dialysing solution Of what substance are the tubes made?
Differentiate between the following pairs of term :
Renal pelvis and renal papilla
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 8 are as follows:
1. Afferent arteriole from renal artery
2. Efferent arteriole
3. Bowman's capsule
4. Glomerulus
5. Proximal convoluted tubule with blood capillaries
6. Distal convoluted tubule with blood capillaries
7. Collecting tubule
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Which structure contains the highest concentration of urea?
Answer the following question.
Name any one guanotelic organism.
Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
Which of the following is not an example of secretion?
