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Nephron and Urine Formation in Kidneys

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Questions and Answers

Which vessel supplies the tuft of capillaries in the glomerulus?

Afferent arteriole (correct)

Efferent arteriole

Renal vein

Renal artery

What is the function of the Malpighian corpuscle?

Ultra filtration of plasma (correct)

Secretion of hormones

Filtration of blood

Production of red blood cells

What is the main function of the filtration barrier in the glomerulus?

Preventing all molecules from passing through

Stopping all filtration completely

Allowing all molecules to pass through

Allowing only certain sized molecules to pass through (correct)

Which structure surrounds the glomerulus?

Bowman's capsule Signup and view all the answers

What is the functional unit of the kidney responsible for the formation of urine?

Nephron Signup and view all the answers

What is the approximate diameter of the glomerulus?

~200μm Signup and view all the answers

How many nephrons does each kidney have on average?

1.3 million Signup and view all the answers

What is the primary reason for the increase in size of the kidney after birth?

Increase in length of the nephrons Signup and view all the answers

Where are the glomeruli located in cortical nephrons?

In the renal cortex Signup and view all the answers

What is a distinctive feature of juxtamedullary nephrons compared to cortical nephrons?

Long loops of Henle reaching renal papilla Signup and view all the answers