Renal Function Quiz

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18 Questions

What is the primary function of the proximal convoluted tubule in the nephron?

Massive reabsorption of the filtrate except for toxics

What happens when the transporters' limit is exceeded in the proximal tubule?

Glucose is lost in the urine

What is the main function of the juxtaglomerular cell in the kidney?

Regulation of salt balance and pressure

What is the primary function of the distal convoluted tubule in the nephron?

Regulation of urinary volume and composition

What is the term for the process of recovering essential substances from the filtrate in the nephron?

Reabsorption

What percentage of the cardiac output reaches the kidney?

20%

What is the primary function of the renal tubule in the nephron?

Reabsorption and secretion of molecules

What is the approximate rate of filtration by both kidneys per day?

180 L/day

Which hormone produced by the kidneys helps regulate red blood cell production?

Erythropoietin

What is the term for the process by which the kidneys regulate the body's salt, potassium, and acid content?

Homeostatic regulation

What is the site of filtration in the nephron?

Glomerulus

What is the primary effect of inhibiting SGLT2 in the nephron?

Loss of glucose in the urine

What is the purpose of the kidneys producing hormones such as erythropoietin and prostaglandins?

To stimulate the production of red blood cells

What is the main function of the loop of Henle in the nephron?

Creation of a hyperosmolar interstitium

What is the primary function of the distal convoluted tubule in the nephron?

Elimination of excess acids in the body

What hormone regulates calcium reabsorption in the nephron?

Parathyroid hormone

What is the primary function of antidiuretic hormone (ADH) in the nephron?

Reabsorption of water to concentrate or dilute urine

What is one of the recommended tests by the National Kidney Foundation (NKF) to check for kidney disease?

Blood pressure

Test your knowledge of renal function, including the role of the juxtaglomerular cell, afferent and efferent arterioles, and the filtration process at the glomerulus.

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