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Q. No.Henle’s loops are found in those animals which excrete hypertonic urine. One of the following does not have Henle’s loop
(1) Birds
(2) Mammals
(3) Frogs
(4) Reptiles
Subtopic: Concentration of Urine |
58%
Level 3: 35%-60%
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During urine formation, which process is non-selective ?
1. Tubular reabsorption
2. Tubular secretion
3. Glomerulus filtration
4. Ultrafiltration and tubular secretion
1. Tubular reabsorption
2. Tubular secretion
3. Glomerulus filtration
4. Ultrafiltration and tubular secretion
Subtopic: Formation of Urine |
63%
Level 2: 60%+
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What would be true about the role of collecting duct in the concentration of urine by the kidneys?
| I: | Allows passage of small amounts of urea into the medullary interstitium |
| II: | Large amounts of water could be reabsorbed from this part to produce a concentrated urine. |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Nephron Part 1 | Nephron Part 2 | Concentration of Urine |
83%
Level 1: 80%+
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Approximately what amount of carbon dioxide is removed by lungs per hour in a healthy resting individual?
| 1. | 200 ml | 2. | 12 L |
| 3. | 122 L | 4. | 288 L |
Subtopic: Role of other Organs in Excretion |
53%
Level 3: 35%-60%
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Identify the incorrect statement:
| 1. | Glomerulus is a tuft of capillaries formed by afferent arteriole. |
| 2. | Blood from the glomerulus is carried away by an efferent arteriole. |
| 3. | Vasa recta is well developed in cortical nephrons. |
| 4. | The DCTs of many nephrons open into a straight tube called collecting duct. |
Subtopic: Nephron Part 1 | Nephron Part 2 |
89%
Level 1: 80%+
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Nephrons closest to the renal medulla are called:
1. Cortical
2. Medullary
3. Juxta-medullary
4. Proto-nephridia
1. Cortical
2. Medullary
3. Juxta-medullary
4. Proto-nephridia
Subtopic: Human Kidney: Location & Cut Section | Nephron Part 1 | Nephron Part 2 |
78%
Level 2: 60%+
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ADH:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | is released when an excessive loss of fluid from the body activates osmoreceptors in the body. |
| II: | prevents dieresis by facilitating water reabsorption from the initial and proximal parts of the tubules. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Autoregulation of GFR |
57%
Level 3: 35%-60%
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Adrenaline, Angiotensin II and ADH can all:
| 1. | cross target cell membrane and influence gene activity |
| 2. | cause vasoconstriction |
| 3. | be secreted by postganglionic sympathetic neurons |
| 4. | increase blood glucose levels |
Subtopic: Autoregulation of GFR |
81%
Level 1: 80%+
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Consider the following statements:
| I: | Glomerulus is a tuft of capillaries formed by the efferent arteriole |
| II: | Afferent arteriole forms the peritubular capillary network |
| III: | Vasa recta is absent or highly reduced in juxtamedullary nephrons |
| 1. | Only III is correct |
| 2. | I is correct but II and III are incorrect |
| 3. | I, II and III are incorrect |
| 4. | I and II are correct |
Subtopic: Human Kidney: Location & Cut Section | Nephron Part 1 | Nephron Part 2 |
66%
Level 2: 60%+
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Identify the part of the nephron that:
| I: | is lined by cuboidal brush bordered epithelium |
| II: | reabsorbs 70-80 percent of electrolytes and water |
| 1. | Proximal convoluted tubule |
| 2. | Loop of Henle |
| 3. | Distal convoluted tubule |
| 4. | Collecting duct |
Subtopic: Nephron Part 1 | Nephron Part 2 |
91%
Level 1: 80%+
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