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) (C)</p> Signup and view all the answers

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

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

What is the function of the glomerulus in the kidney?

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

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

<p>Plasma-derived fluid (B)</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 (A)</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 (C)</p> Signup and view all the answers

Which vessel carries blood away from the glomerulus?

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

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

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

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

<p>Ureter (B)</p> Signup and view all the answers

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

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

Where are juxtamedullary nephrons primarily located?

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

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

<p>Glomerular capsule (C)</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+ (A)</p> Signup and view all the answers

What is the function of peritubular capillaries?

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

Where do peritubular capillaries arise from?

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

What type of capillaries are associated with juxtamedullary nephrons?

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

How do peritubular capillaries differ from glomerulus capillaries?

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

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

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

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

<p>Synthesizing renin (B)</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 (D)</p> Signup and view all the answers

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

<p>Sensing blood pressure changes (C)</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 (D)</p> Signup and view all the answers

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