- 1(current)
Q. No.Read the following statements and choose the option that correctly states them as true (T) or false (F) with respect to the human excretory system:
(a) (b) (c)
1. F T T
2. T F F
3. F F T
4. F T F
| (a) | The cortex extends in between the medullary pyramids as calyx. |
| (b) | Vasa recta is absent or highly reduced in cortical nephrons. |
| (c) | Kidney is situated between the levels of the 12th thoracic and 3rd lumbar vertebra close to the dorsal inner wall of the abdominal cavity. |
1. F T T
2. T F F
3. F F T
4. F T F
Subtopic: Â Human Kidney: Location & Cut Section |Â Nephron Part 1 |Â Nephron Part 2 |
 80%
Level 1: 80%+
Hints
Read the following statements:
Statement A: The main differentiating factor between cortical and juxtamedullary nephrons is the length of the loop of Henle.
Statement B: Vasa recta is absent or highly reduced in cortical nephrons.
Select the correct option from the following:
1. Only statement A is correct.
2. Only statement B is correct.
3. Both statements A and B are correct.
4. Both statements A and B are incorrect.
Statement A: The main differentiating factor between cortical and juxtamedullary nephrons is the length of the loop of Henle.
Statement B: Vasa recta is absent or highly reduced in cortical nephrons.
Select the correct option from the following:
1. Only statement A is correct.
2. Only statement B is correct.
3. Both statements A and B are correct.
4. Both statements A and B are incorrect.
Subtopic: Â Nephron Part 1 |Â Nephron Part 2 |
 91%
Level 1: 80%+
Hints
Match Column-I with Column-II and select the correct option
1. a(i), b(ii), c(iii), d(iv)
2. a(iv), b(iii), c(ii), d(i)
3. a(i), b(iv), c(iii), d(ii)
4. a(ii), b(i), c(iv), d(iii)
| Column-I | Column-II | ||
| a. | Transport of urine | (i) | Filtration slits |
| b. | Podocytes | (ii) | Ureter |
| c. | Ultrafilteration | (iii) | Permeable to water |
| d. | Descending limb of Henle's loop | (iv) | Glomerulus |
1. a(i), b(ii), c(iii), d(iv)
2. a(iv), b(iii), c(ii), d(i)
3. a(i), b(iv), c(iii), d(ii)
4. a(ii), b(i), c(iv), d(iii)
Subtopic: Â Human Kidney: Functions |Â Nephron Part 1 |Â Nephron Part 2 |Â Formation of Urine |
 94%
Level 1: 80%+
Hints
Assertion (A): The part of nephron present in the cortical region of kidney are PCT, DCT and Malphighian body.
Reason (R): PCT and DCT do not participate in the process of counter current mechanism.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): PCT and DCT do not participate in the process of counter current mechanism.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Â Human Kidney: Location & Cut Section |Â Nephron Part 1 |
 82%
Level 1: 80%+
Hints
Match the columns:
1. A = iv, B = v, C = i, D = ii, E = iii
2. A = ii, B = iv, C = vi, D = i, E = iii
3. A = v, B = i, C = ii, D = iii, E = iv
4. A = iv, B = iii, C = vi, D = v, E = i
| Column-I | Column-II |
| A. Epithelial cells of Bowman's capsule | i. Juxtamedullary |
| B. Extension of cortex between the medullary pyramids as renal columns | ii. Vasa recta |
| C. Nephrons with long loop of Henle running deep into medulla | iii. Juxtaglomerular apparatus |
| D. A fine vessel of the peritubular parallel to Henle's loop | iv. Podocytes |
| E. A special sensitive region in the DCT and afferent arteriole at the location of their contact | v. Columns of Bertini vi. Cortical nephron |
1. A = iv, B = v, C = i, D = ii, E = iii
2. A = ii, B = iv, C = vi, D = i, E = iii
3. A = v, B = i, C = ii, D = iii, E = iv
4. A = iv, B = iii, C = vi, D = v, E = i
Subtopic: Â Nephron Part 1 |Â Nephron Part 2 |Â Concentration of Urine |
 90%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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