Q. No.The location of kidneys in humans can be best described as:
1. between last thoracic and third lumbar vertebra close to dorsal inner wall of abdominal cavity
2. between last thoracic and third lumbar vertebra close to ventral inner wall of abdominal cavity
3. between 10th thoracic and third lumbar vertebra close to dorsal inner wall of abdominal cavity
4. between 10th thoracic and third lumbar vertebra close to ventral inner wall of abdominal cavity
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Extension of renal cortex between the medullary pyramids is called as:
| 1. Juxta-glomerular apparatus | 2. Macula densa |
| 3. Columns of Bertini | 4. Ducts of Bellini |
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The average weight of the human kidney varies between:
| 1. 80 – 120 gm | 2. 120 – 170 gm |
| 3. 180 – 200 gm | 4. 225 – 245 gm |
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Figure shows a human urinary system with structures labelled A to D. Select option which correctly identifies them and gives their characteristics and/or functions.
| 1. | B-pelvis - broad funnel-shaped space inner to the hilum, directly connected to loops of Henle. |
| 2. | C- Medulla- inner zone of kidney and contains complex nephrons. |
| 3. | D- Cortex- outer part of the kidney and does not contain any part of nephrons. |
| 4. | A- Adrenal gland- located at the anterior part of the kidney; secretes catecholamines which stimulate glycogen breakdown. |
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Urine in ureter is drained directly from:
| 1. | Collecting duct | 2. | Papilla |
| 3. | Renal pelvis | 4. | Major calyces |
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The branch of renal artery that directly supplies the glomerulus is the:
| 1. | efferent arteriole | 2. | interlobular artery |
| 3. | arcuate artery | 4. | afferent arteriole |
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Malpighian body or the renal corpuscle is made up of:
1. Glomerular capillaries and PTCN
2. Bowman's capsule and renal tubules
3. Afferent and efferent arterioles
4. Glomerular capillaries and Bowman's capsule
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Glomerular capillaries are drained by:
| 1. | efferent arteriole | 2. | afferent arteriole |
| 3. | vasa recta | 4. | peritubular capillary network |
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The functional unit of the human kidney is the:
| 1. | glomerulus | 2. | Malpighian body |
| 3. | nephron | 4. | medullary pyramids |
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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 |
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