Anatomy of Collecting Ducts in the Kidney
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Questions and Answers

Which part of the nephron has cuboidal cells with very few microvilli and functions more in secretion than reabsorption?

  • Proximal convoluted tubule (PCT)
  • Distal convoluted tubule (DCT) (correct)
  • Descending limb
  • Nephron loop
  • Which part of the nephron is responsible for reabsorption of water and solutes from filtrate?

  • Proximal convoluted tubule (PCT) (correct)
  • Ascending limb
  • Distal convoluted tubule (DCT)
  • Nephron loop
  • In which part of the nephron are the cells cuboidal with dense microvilli that form a brush border?

  • Descending limb
  • Distal convoluted tubule (DCT)
  • Thick ascending limb
  • Proximal convoluted tubule (PCT) (correct)
  • Where in the kidney nephron can large mitochondria be found?

    <p>Proximal convoluted tubule (PCT)</p> Signup and view all the answers

    Which part of the nephron is found only in the renal cortex?

    <p>Proximal convoluted tubule (PCT)</p> Signup and view all the answers

    What is the function of the glomerulus in the kidney?

    <p>Filters blood to form filtrate</p> Signup and view all the answers

    Which structure clings to the glomerular capillaries and consists of branching epithelial cells called podocytes?

    <p>Visceral layer</p> Signup and view all the answers

    What is the composition of the filtrate formed in the kidney?

    <p>Plasma-derived fluid</p> Signup and view all the answers

    Which part of the renal corpuscle consists of a cup-shaped, hollow structure surrounding the glomerulus?

    <p>Bowman's capsule</p> Signup and view all the answers

    What is the main function of podocytes in the renal corpuscle?

    <p>Assisting in filtration by forming filtration slits</p> Signup and view all the answers

    Which vessel carries blood away from the glomerulus?

    <p>Efferent arteriole</p> Signup and view all the answers

    What is the main function of collecting ducts in the kidney?

    <p>Maintain water and Na+ balance</p> Signup and view all the answers

    Where does the urine pass through after being delivered into minor calyces through the papillae?

    <p>Ureter</p> Signup and view all the answers

    Which cell type in the nephron loop is responsible for producing concentrated urine?

    <p>Principal cell</p> Signup and view all the answers

    Where are juxtamedullary nephrons primarily located?

    <p>Deeply invade the medulla</p> Signup and view all the answers

    Which structure in the kidney has a visceral layer and a parietal layer?

    <p>Glomerular capsule</p> Signup and view all the answers

    What is the primary function of the thick segment of the nephron loop?

    <p>Reabsorb water and Na+</p> Signup and view all the answers

    What is the function of peritubular capillaries?

    <p>Adapted for absorption of water and solutes</p> Signup and view all the answers

    Why is blood pressure high in the glomerulus?

    <p>Efferent arterioles are larger in diameter than afferent arterioles</p> Signup and view all the answers

    Where do peritubular capillaries arise from?

    <p>Efferent arterioles</p> Signup and view all the answers

    What type of capillaries are associated with juxtamedullary nephrons?

    <p>Porous capillaries</p> Signup and view all the answers

    How do peritubular capillaries differ from glomerulus capillaries?

    <p>Peritubular capillaries are not involved in absorption</p> Signup and view all the answers

    What is the function of Vasa recta in the nephrons?

    <p>Supplying oxygen and nutrients to the tissue</p> Signup and view all the answers

    Which cell population in the Juxtaglomerular Complex senses sodium chloride concentration in the filtrate?

    <p>Macula densa</p> Signup and view all the answers

    What is the main role of Granular cells in the Juxtaglomerular Complex?

    <p>Synthesizing renin</p> Signup and view all the answers

    Which part of the nephron loop does the Macula densa belong to?

    <p>Distal portion of ascending limb</p> Signup and view all the answers

    What is the function of Juxtaglomerular Complex (JGC) in regulating filtrate formation?

    <p>Sensing blood pressure changes</p> Signup and view all the answers

    Where do the Vasa recta arise from in relation to the nephrons?

    <p>Efferent arterioles serving juxtamedullary nephrons</p> Signup and view all the answers

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