Advertisements
Advertisements
Question
What is dialysis? Under what condition is it carried out?
Advertisements
Solution 1
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.
Solution 2
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.
APPEARS IN
RELATED QUESTIONS
State the exact location of the Loop of Henle.
the biological/technical terms for the hormone increasing reabsorption of water by kidney tubules
The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :

(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).
The given diagram represents a nephron and its blood supply. Study the diagram and answer the following questions:

(i) Label parts 1, 2, 3 and 4.
(ii) State the reason for the high hydrostatic pressure in the glomerulus.
(iii) Name the blood vessel which contains the least amount of urea in this diagram.
(iv) Name the two main stages of urine formation.
(v) Name the part of the nephron which lies in the renal medulla.
Name the procedure used in the working of artificial kidney.
The substance which is not reabsorbed into the blood capillaries surrounding the tuble of a nephron is mainly:
(a) glucose
(b) amino acid
(c) urea
(d) water
Differentiate between
tannins and resins
Name the Following
The structural and functional units of kidney
Given below is a list of substances - select the ones that need to be eliminated from the body.
Glucose, excess water, amino acids, urea, carbon dioxide, excess common salt, glycogen, uric acid.
The main nitrogenous waste formed in the human body:
