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प्रश्न
If a patient is out on dialysis, he is most likely suffering from a severe ailment of the:
(a) circulatory system
(b) respiratory system
(c) excretory system
(d) digestive system
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उत्तर
(c) excretory system
Dialysis is the process of removing wastes using an artificial kidney. Hence, if a patient is out on dialysis, he is most likely suffering from a severe ailment of excretory system. It is because kidneys are a part of human excretory system and in case of kidney failure, to remove the accumulated wastes from the body, blood is filtered periodically through an artificial kidney.
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संबंधित प्रश्न
Describe the structure and functioning of nephrons.
the biological/technical terms for the hormone increasing reabsorption of water by kidney tubules
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.
Why do some people need to use a dialysis machine? What does the machine do?
A dialysis machine contains long tubes coiled in a tank containing dialysing solution
What does the dialysing solution contain?
Answer the following in short.
List five waste products of plants.
Name the following:
The vein in which urea concentration is maximum
Define the following term:
Micturition
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?
Draw a labeled diagram of the human kidney as seen in a longitudinal section.
Name the Following
The Inner concave margin of kidney.
Choose the correct option.
Visceral layer : Podocytes :: PCT : ________.
Choose the correct option.
The part of nephron which absorbs glucose and amino acid is ______.
Answer the following question.
State the role of liver in urea production.
Two green plants are kept separately in oxygen-free containers, one in the dark and the other in continuous light. Which one will live longer? Give reasons.
If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.
The statement given below is false. Rewrite the correct form of the statement by changing the underlined word.
The pigment urochrome is the breakdown product of the haemoglobin of dead RBCs.
Give reason:
Excretion is a necessary process of our body.
