Each kidney contains about ___nephrons: (Repeat)
Correct Answer: One million
Description: Ans: A (One million) Ref: Guyton & Hall. Physiologic Anatomy of the Kidneys. In: Textbook of Medical Physiology. 12th ed. Philadelphia: Saunders Elsevier; 2012. p 305.Explanation:Each kidney in the human contains about 800,000 to 1,000,000 nephrons, each capable of forming urineThe kidney cannot regenerate new nephrons.After age 40. the number of functioning nephrons usually decreases about 10 % every 10yearsAt age 80. many people have 40 % fewer functioning nephrons than they did at age 40.This loss is not life threatening because adaptive changes in the remaining nephrons allow them to excrete the proper amounts of water, electrolytes, and waste products
Category:
Physiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now