Anatomy of the Kidney: Structures and Functions

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Questions and Answers

What is the main source of nerve supply for the kidney?

  • Renal plexus (correct)
  • Inferior vena cava
  • Renal vein
  • Renal artery

Where does filtration of plasma-derived fluid occur in the kidney?

  • Peritubular capillaries
  • Renal artery
  • Renal capsule
  • Glomerulus (correct)

What is the role of the parietal layer of Bowman's capsule?

  • Doesn't play a role in forming filtrate (correct)
  • Formation of filtrate
  • Surrounding the glomerulus
  • Filtration of urine

Which part of the nephron clings to the glomerular capillaries?

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

What type of cells form podocytes in the kidney?

<p>Branching epithelial cells (D)</p> Signup and view all the answers

Which structure serves as a cup-shaped, hollow structure surrounding the glomerulus?

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

Where do the collecting ducts deliver urine into?

<p>Minor calyces (A)</p> Signup and view all the answers

Which cells in the nephron have apical microvilli and abundant mitochondria?

<p>Distal convoluted tubule cells (C)</p> Signup and view all the answers

Where are the juxtamedullary nephrons located primarily?

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

Which part of the nephron is responsible for playing an important role in the production of concentrated urine?

<p>Ascending limb (D)</p> Signup and view all the answers

Where does the filtrate from many nephrons ultimately end up before being delivered to the collecting ducts?

<p>Renal cortex (A)</p> Signup and view all the answers

Which cell type lines the glomerular capsule and is involved in filtration within the renal corpuscle?

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

What is the primary function of the kidneys?

<p>Regulating total water volume and solute concentration (C)</p> Signup and view all the answers

Which of the following is NOT a function of the kidneys?

<p>Producing insulin (A)</p> Signup and view all the answers

What is the function of the ureters in the urinary system?

<p>Transporting urine from kidneys to urinary bladder (A)</p> Signup and view all the answers

Which organ serves as a temporary storage reservoir for urine?

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

What is the purpose of the urethra in the urinary system?

<p>Transporting urine out of the body (B)</p> Signup and view all the answers

Which statement best describes the role of the kidneys in maintaining the body’s internal environment?

<p>Regulating total water volume and toxin levels (B)</p> Signup and view all the answers

Where is the proximal convoluted tubule located in relation to the renal corpuscle?

<p>Closest to the renal corpuscle (A)</p> Signup and view all the answers

What is the main function of the distal convoluted tubule?

<p>Secretion of waste products (A)</p> Signup and view all the answers

Which type of cells are found in the thin segment of the nephron loop?

<p>Intercalated cells (A)</p> Signup and view all the answers

What is a key characteristic of the proximal convoluted tubule cells?

<p>Presence of apical microvilli (C)</p> Signup and view all the answers

Through which structure does the distal convoluted tubule drain?

<p>Collecting duct (D)</p> Signup and view all the answers

What is the function of the basement membrane in the kidney?

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

What is the function of vasa recta in the nephrons?

<p>Supply oxygen and nutrients to the tissue (D)</p> Signup and view all the answers

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

<p>Ascending limb (A)</p> Signup and view all the answers

What is the main role of granular cells (juxtaglomerular cells) in the juxtaglomerular complex?

<p>Detect blood pressure in afferent arteriole (C)</p> Signup and view all the answers

Which type of cells in the juxtaglomerular complex contain chemoreceptors?

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

What is the function of the juxtaglomerular complex in nephrons?

<p>Synthesize and secrete renin to regulate BP (D)</p> Signup and view all the answers

From which vessel do the vasa recta arise in juxtamedullary nephrons?

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

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