page_title: Assessment of kidney function
hierarchical_section_title: Assessment of kidney function
caption_attribution_description: English: Physiology of Nephron
context_page_description: Assessment of kidney function occurs in different ways, using the presence of symptoms and signs, as well as measurements using urine tests, blood tests, and medical imaging.
  Functions of a healthy kidney include maintaining a person's fluid balance, maintaining an acid-base balance; regulating; regulating electrolytes including sodium, potassium, and other electrolytes; clearing toxins; regulating blood pressure; and regulating hormones, such as erythropoietin; and activation of vitamin D.
context_section_description: Assessment of kidney function occurs in different ways, using the presence of symptoms and signs, as well as measurements using urine tests, blood tests, and medical imaging.
  Functions of a healthy kidney include maintaining a person's  fluid balance, maintaining an acid-base balance; regulating; regulating electrolytes including sodium, potassium, and other electrolytes; clearing toxins; regulating blood pressure; and regulating hormones, such as erythropoietin; and activation of vitamin D.
caption: Diagram showing a schematic nephron and its blood supply. The basic physiologic mechanisms of handling fluid and electrolytes by the nephron - filtration, secretion, reabsorption, and excretion - are labelled.
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