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Human Biology - Excretory System Quiz

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Questions and Answers

What is the primary role of the kidneys in the excretory system?

Production of bile

Elimination of waste products and maintenance of water balance (correct)

Absorption of nutrients

Water storage

Which part of the nephron is responsible for the initial reabsorption of glucose and amino acids?

Bowman's Capsule

Proximal Tubule (correct)

Loop of Henle

Distal Tubule

What is the primary action of aldosterone in the kidneys?

Inhibits salt absorption

Increases sodium retention and water reabsorption (correct)

Decreases blood pressure

Increases urine output

How does increased levels of Antidiuretic Hormone (ADH) affect urine concentration?

It results in more concentrated urine Signup and view all the answers

Which step of urine formation involves the filtration of substances from glomerular capillaries into Bowman's capsule?

Glomerular filtration Signup and view all the answers

What structure carries blood away from the nephron?

Renal Vein Signup and view all the answers

What happens during the solute reabsorption step of urine formation?

Sodium chloride, glucose, and amino acids are actively transported to the blood Signup and view all the answers

Human Biology - Excretory System Quiz

Choose a study mode

Podcast

Questions and Answers

What is the primary role of the kidneys in the excretory system?

Which part of the nephron is responsible for the initial reabsorption of glucose and amino acids?

What is the primary action of aldosterone in the kidneys?

How does increased levels of Antidiuretic Hormone (ADH) affect urine concentration?

Which step of urine formation involves the filtration of substances from glomerular capillaries into Bowman's capsule?

What structure carries blood away from the nephron?

What happens during the solute reabsorption step of urine formation?

Which of the following is true regarding the role of caffeine and alcohol on ADH release?

In which part of the nephron does water reabsorption mainly occur?

What is the most common composition of kidney stones?

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