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Q. No.A series of straight capillaries in the medulla that lie parallel to the loop of Henle are called:
1.
arcuate arteries
2.
efferent arterioles
3.
afferent arterioles
4.
vasa recta
Subtopic: Human Kidney: Location & Cut Section | Nephron Part 1 | Nephron Part 2 |
92%
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All of the following regarding juxtamedullary nephrons in human kidneys are correct except:
| 1. | the entire nephron is located in the superficial cortex of the kidney |
| 2. | the renal corpuscle comprises a glomerulus and a glomerular capsule |
| 3. | blood arrives at the glomerular capillaries via an afferent arteriole |
| 4. | the proximal convoluted tubule leads into a long nephron loop |
Subtopic: Human Kidney: Functions |
75%
From NCERT
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
| Assertion (A): | Juxtamedullary nephrons are key adaptation for water conservation in mammals. |
| Reason (R): | Juxtamedullary nephrons constitute about 85% of all nephrons in the mammalian kidney. |
In the light of the above statements choose the correct answer from the options given below:
| 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: Human Kidney: Functions | Human Kidney: Location & Cut Section |
70%
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Glomerular capillaries are drained by:
1. efferent arteriole
2. afferent arteriole
3. vasa recta
4. peritubular capillary network
1. efferent arteriole
2. afferent arteriole
3. vasa recta
4. peritubular capillary network
Subtopic: Human Kidney: Functions | Human Kidney: Location & Cut Section |
58%
From NCERT
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Identify the correctly matched pair:
1. thirst center: hypothalamus
2. macula densa: afferent arteriole
3. rennin: JG cells
4. aldosterone: adrenal medulla
Subtopic: Autoregulation of GFR |
52%
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A diuretic:
1. causes water retention
2. increases urine output
3. prevents water excretion in the urine
4. reduces insensible water loss from the body
Subtopic: Autoregulation of GFR |
68%
From NCERT
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What is the mechanism of reabsorption of glucose in the proximal convoluted tubule of the nephron?
| 1. | Diffusion, depending on plasma glucose concentration |
| 2. | An active transport process that is linked to sodium reabsorption |
| 3. | An active transport process that is linked to amino acid transport |
| 4. | Active transport with no link to the transport of any other substance |
Subtopic: Formation of Urine |
64%
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The basic functions of human kidneys in the production of urine include all the following except:
1. Glomerular filtration
2. Tubular reabsorption
3. Tubular secretion
4. Erythropoietin production
1. Glomerular filtration
2. Tubular reabsorption
3. Tubular secretion
4. Erythropoietin production
Subtopic: Formation of Urine |
87%
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Filtration slits in the glomerular membrane are formed by:
1. The capillary endothelial cells
2. The basement membrane
3. The podocyte cells
4. Mesangial cells
Subtopic: Formation of Urine |
90%
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Subtopic: Autoregulation of GFR |
78%
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