Arkansas Esthetician Practice Exam

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What is the function of Nephrons?

Supply blood to the face
Filter out waste products and water
Regulate motor function
Connect brain parts

The correct answer is: Filter out waste products and water

Nephrons are the functional units of the kidney and are responsible for filtering out waste products and excess water from the blood, which is then turned into urine. Option A is incorrect because supplying blood to the face is not the primary function of nephrons. Option C is incorrect because nephrons do not play a role in motor function, which is controlled by the nervous system. Option D is incorrect because nephrons are not responsible for connecting brain parts, as that is the function of neurons. Therefore, the correct function of nephrons is to filter out waste products and water from the blood.