Renal Tubule Anatomy Quiz

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Questions and Answers

What is the location of the kidneys in the body?

  • Retroperitoneal, in the superior lumbar region (correct)
  • In the abdominal cavity
  • In the thoracic cavity
  • In the pelvic cavity

Which structure sits atop each kidney?

  • Adrenal (suprarenal) gland (correct)
  • Liver
  • Pancreas
  • Gallbladder

What is the function of the peri-renal fat capsule around the kidney?

  • To protect the kidney (correct)
  • To anchor the kidney
  • To regulate blood sugar levels
  • To store excess water

What prevents the spread of infection to the kidney from close regions?

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

Which layer anchors the adrenal gland and kidney to surrounding structures?

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

Which part of the body lies lower due to being crowded by the liver?

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

What is the main function of the proximal convoluted tubule (PCT)?

<p>Reabsorption of water and solutes from filtrate (D)</p> Signup and view all the answers

Which of the following is a characteristic of the distal convoluted tubule (DCT)?

<p>Function mainly in reabsorption (D)</p> Signup and view all the answers

Where are cuboidal cells with dense microvilli that form a brush border found?

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

Which tubule is responsible for secreting substances more than reabsorption?

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

What is a characteristic of the nephron loop (Loop of Henle)?

<p>The ascending limb is continuous with the proximal tubule (A)</p> Signup and view all the answers

What is the function of the renal arteries?

<p>Cleanse blood and adjust its composition (A)</p> Signup and view all the answers

Which structure empties urine into the renal pelvis?

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

How is urine propelled through the walls of the calyces, pelvis, and ureter?

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

What anatomical structure is composed of cone-shaped medullary pyramids?

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

How many lobes make up each kidney?

<p>Around eight lobes (B)</p> Signup and view all the answers

What is the function of the renal pelvis?

<p>Collect urine from minor calyces (C)</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 type of nephrons make up almost 85% of all nephrons in the kidneys?

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

What is the main function of juxtamedullary nephrons?

<p>Production of concentrated urine (B)</p> Signup and view all the answers

What is the function of the proximal convoluted tubule cells?

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

Where are the glomerulus and glomerular capsule located?

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

What is the specialized structure present in the renal corpuscle that helps in filtration?

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

What is the function of peritubular capillaries in the nephron?

<p>Reabsorption of water and solutes (D)</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 (B)</p> Signup and view all the answers

Where do peritubular capillaries arise from?

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

Which type of nephron is associated with Vasa recta?

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

What is the main difference between glomerular capillaries and other capillary beds?

<p>Fed and drained by arterioles (B)</p> Signup and view all the answers

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