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Questions and Answers
Which of the following is a major functional unit of the kidney?
Which of the following is a major functional unit of the kidney?
- Renal artery
- Nephron (correct)
- Renal cortex
- Renal medulla
Approximately how many functional units are present in each kidney?
Approximately how many functional units are present in each kidney?
- 20 to 30 million
- 5 to 10 million
- 100,000 to 200,000
- 1 to 1.5 million (correct)
Which type of nephron makes up approximately 85% of the nephrons?
Which type of nephron makes up approximately 85% of the nephrons?
- Neither of the types
- Both types equally
- Juxtamedullary nephrons
- Cortical nephrons (correct)
Where are the longer loops of Henle present in the kidney?
Where are the longer loops of Henle present in the kidney?
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What is the function of the kidneys?
What is the function of the kidneys?
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Study Notes
Kidney Functional Units
- A nephron is a major functional unit of the kidney.
Nephron Distribution
- There are approximately 1 million nephrons in each kidney.
Nephron Types
- The cortical nephron makes up approximately 85% of the nephrons.
Henle's Loop
- The longer loops of Henle are present in the juxtamedullary region of the kidney.
Kidney Function
- The kidneys filter waste and excess substances from the blood, regulate electrolyte levels, and maintain acid-base balance.
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