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Ch. 44.4-44.5 Quiz Stats

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Question Answer % Correct
What is the functional unit of the vertebrate kidney?The nephron
100%
Where are podocytes found?The glomerulus
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What are podocytes permeable to?Water and small solutes
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What surrounds the glomerulus?The Bowman's capsule
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What gets reabsorbed from the Loop of Henle?Water and salt
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What capillaries serve to reabsorb molecules?The peritubular capillaries and vasa recta
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What brings filtrate away from the glomerulus?The efferent arteriole
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What is released from the descending loop of Henle?Water
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What is released from the ascending loop of Henle?Salt
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What are the 2 primary solutes in the osmotic gradient?Salt and urea
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Question Answer % Correct
What is the hormone that regulates water balance?Antidiuretic hormone, ADH
100%
What peptide increases blood pressure?Angiotensin II
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What is released when the adrenal glands are stimulated with angiotensis II?Aldosterone
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What gets reabsorbed in the proximal tubule?Glucose, amino acids, sodium
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What do the proximal tubules absorb?Bicarbonate, salt and water
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What is the purpose of the distal tubule?To regulate the K and NaCl concentrations in body fluids
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What does the collecting duct release?Water and urea
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What part of the nephron has the highest osmotic molarity?The very bottom of the loop of Henle
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Why is this filtration system so important?It helps terrestrial organisms retain enough water
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What does ADH do, specifically?It lets water permeate the epithelium in the distal tubules and collecting ducts more easily
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