Kidney Functions Quiz

What is one of the main functions of the kidneys?

• Produce red blood cells

• Clean the blood

• Absorb nutrients

• Control breathing

Which balance do kidneys help maintain in the body?

• Hormone and enzyme balance

• Blood sugar and fat balance

• Electrolyte and water balance

• Protein and carbohydrate balance

How does blood reach the nephrons in the kidney?

• Through the lymphatic vessels

• Via branching of the renal artery into smaller blood vessels

• Through the ureter

• From the bladder

Approximately how many nephrons are present in each kidney?

• 100,000

• 500,000

• 1 million

• 10 million

What is the role of nephrons in the kidney?

• Pump blood

• Absorb nutrients

• Filter the blood

• Produce insulin