Multiple Choice
In renal anatomy, what is the basic functional unit of the kidney responsible for filtering blood and forming urine?
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25. The Urinary System
The Nephron
Multiple Choice
In the human kidney, approximately how many nephrons does each kidney contain?
A
About 10 million nephrons
B
About 1 million nephrons
C
About 100,000 nephrons
D
About 100 million nephrons
Verified step by step guidance1
Understand that the nephron is the functional unit of the kidney responsible for filtering blood and forming urine.
Recall that each human kidney contains a large number of nephrons to efficiently filter blood and maintain homeostasis.
Recognize that the typical range for the number of nephrons per kidney in a healthy adult is approximately 1 million.
Compare the given options to this known physiological fact to identify the correct estimate.
Conclude that the correct answer is 'About 1 million nephrons' per kidney based on standard anatomical knowledge.
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