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Questions and Answers
Through which three layers is blood filtered as it passes through the nephron?
Through which three layers is blood filtered as it passes through the nephron?
- Podocytes, tuft of capillaries, and epithelial cells
- Endothelial cells, basement membrane, and foot processes (correct)
- Peritubular capillaries, interstitial fluid, and plasma
- Glomerulus, Bowman's capsule, and tubule
What is the composition of the fluid that exits at the end of the tubule in the nephron?
What is the composition of the fluid that exits at the end of the tubule in the nephron?
- Water, metabolic waste, and toxins (correct)
- Water and metabolic waste only
- Water and toxins only
- Metabolic waste and toxins only
What is the structural and functional unit of the kidney?
What is the structural and functional unit of the kidney?
- Glomerulus
- Renal tubule
- Bowman's capsule
- Renal corpuscle (correct)
Where is water reabsorbed and substances exchanged in the nephron?
Where is water reabsorbed and substances exchanged in the nephron?
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How many nephrons does a healthy adult have in each kidney?
How many nephrons does a healthy adult have in each kidney?
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Study Notes
Nephron Structure and Function
- Blood passes through three layers in the nephron: renal corpuscle, proximal convoluted tubule, and distal convoluted tubule for filtration.
- The fluid that exits at the end of the tubule is called urine, which is a concentrated waste product.
Nephron as Functional Unit
- The structural and functional unit of the kidney is the nephron.
Water Reabsorption and Substances Exchange
- Water is reabsorbed and substances are exchanged in the renal tubules of the nephron.
Number of Nephrons
- A healthy adult has around 1 million nephrons in each kidney, responsible for filtering waste and excess substances from the blood.
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Test your knowledge about the structure and function of nephrons, the microscopic units of the kidney responsible for filtering blood and producing urine.
