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Excretory Products and Their Elimination Quiz

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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)?

Juxtaglomerular apparatus Signup and view all the answers

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

Secretion Signup and view all the answers

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

Extensive reabsorption of water and certain electrolytes Signup and view all the answers

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

Reabsorption of glucose and amino acids Signup and view all the answers

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

Reabsorption of water and ions Signup and view all the answers

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

Glucose Signup and view all the answers

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

Regulate pH balance by secreting hydrogen ions Signup and view all the answers

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

Maintains proper electrical gradient for nerve function Signup and view all the answers

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

By secreting hydrogen ions to decrease blood acidity Signup and view all the answers

What is the main function of ADH in the kidney?

Facilitating water reabsorption from the latter parts of the tubule Signup and view all the answers

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

Renin Signup and view all the answers

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

Increasing GFR Signup and view all the answers

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

Proximal convoluted tubule Signup and view all the answers

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

Reabsorbing water and ions Signup and view all the answers