Sub-topic 1
2026 · National Semifinal
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Effect of dehydration on kidney water retention and urine concentration
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Sub-topic 2
2026 · National Final
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Effect of dehydration on kidney water retention and urine concentration
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Sub-topic 3
2026 · National Preliminary
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Blood vessels carrying blood of minimum urea content (true/false)
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Sub-topic 4
2025 · National Preliminary
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Regions of the mammalian kidney where nephron parts are located
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Sub-topic 5
2023 · National Preliminary
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Vasa recta: capillaries running parallel to the loop of henle
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Sub-topic 6
2023 · National Preliminary
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Water impermeability of the ascending limb of the loop of henle
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Sub-topic 7
2023 · National Preliminary
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Active sodium reabsorption in the proximal convoluted tubule
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Sub-topic 8
2013 · National Preliminary
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Urea as a breakdown product of proteins, excreted in urine (true/false)
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Sub-topic 9
2018 · National Preliminary
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Blood urea nitrogen as a marker of protein breakdown
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Sub-topic 10
2021 · National Quarterfinal
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True or false: aquatic animals usually excrete urea directly into their environment
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Sub-topic 11
2023 · National Preliminary
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The thick ascending limb of the loop of henle is impermeable to water
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Sub-topic 12
2023 · National Preliminary
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True or false: human urine is acidic because h+ ions are actively secreted into the filtrate
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Sub-topic 13
2023 · National Preliminary
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True or false: human urine is acidic because na/k exchange generates acidity
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Sub-topic 14
2023 · National Preliminary
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True or false: the sodium transporter exchanges one h+ for each na+ in the peritubular capillaries
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Sub-topic 15
2023 · National Preliminary
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Adh (vasopressin) drives water reabsorption in the kidneys
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Sub-topic 16
2023 · National Preliminary
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True or false: kidney-damage anemia occurs because red blood cells pass through the glomerulus
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Sub-topic 17
2023 · National Preliminary
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True or false: kidney-damage anemia occurs because hemoglobin is not synthesized sufficiently
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Sub-topic 18
2023 · National Preliminary
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True or false: kidney-damage anemia occurs because iron and vitamin b12 can't bind hemoglobin
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