Excretory Products and Their Elimination Quiz
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Questions and Answers

Where does the majority of reabsorption take place in the nephron?

  • Distal convoluted tubule
  • Proximal convoluted tubule (correct)
  • Collecting duct
  • Ascending limb of loop of Henle

Which of the following is NOT a function of the proximal convoluted tubule?

  • Reabsorption of glucose
  • Maintenance of osmolar gradient (correct)
  • Selective secretion of waste products
  • Reabsorption of water

What is the primary function of Henle's Loop in urine formation?

  • Maintaining ionic balance
  • Selective reabsorption of water (correct)
  • Reabsorption of glucose
  • Secreting hydrogen ions

Which component plays a significant role in regulating the Glomerular Filtration Rate (GFR)?

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

Which process helps in maintaining the ionic balance and pH of body fluids during urine formation?

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

What is the function of the distal convoluted tubule and collecting duct in osmoregulation?

<p>Extensive reabsorption of water and certain electrolytes (B)</p> Signup and view all the answers

Which of the following is the correct function of the proximal convoluted tubule in the nephron?

<p>Reabsorption of glucose and amino acids (B)</p> Signup and view all the answers

What is the primary role of Henle's Loop in urine concentration?

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

Which of the following substances is primarily reabsorbed in the nephron's proximal convoluted tubule?

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

What is the main function of the nephron's tubular secretion process?

<p>Regulate pH balance by secreting hydrogen ions (D)</p> Signup and view all the answers

In the formation of urine, what is the significance of ionic balance?

<p>Maintains proper electrical gradient for nerve function (A)</p> Signup and view all the answers

How does the nephron contribute to acid-base balance during urine formation?

<p>By secreting hydrogen ions to decrease blood acidity (D)</p> Signup and view all the answers

What is the main function of ADH in the kidney?

<p>Facilitating water reabsorption from the latter parts of the tubule (D)</p> Signup and view all the answers

Which hormone is released by the JG cells in response to a fall in glomerular blood flow?

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

What is one of the effects of Angiotensin II on the kidney?

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

Which part of the nephron is responsible for reabsorbing the majority of filtered ions?

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

What is the primary function of the descending limb of Henle's Loop?

<p>Reabsorbing water and ions (A)</p> Signup and view all the answers

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