Multiple Choice
Which blood vessel carries blood away from the kidneys in the urinary system?
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25. The Urinary System
Introduction to the Urinary System
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Which of the following structures is responsible for filtering blood within the renal corpuscle?
A
Proximal convoluted tubule
B
Glomerulus
C
Collecting duct
D
Loop of Henle
Verified step by step guidance1
Understand the anatomy of the renal corpuscle, which is a key structure in the nephron of the kidney responsible for blood filtration.
Identify the components of the renal corpuscle: the glomerulus (a network of capillaries) and Bowman's capsule (a surrounding structure that collects the filtrate).
Recognize that the glomerulus is the structure where blood filtration occurs. Blood enters the glomerulus through the afferent arteriole, and filtration happens as blood pressure forces water and solutes through the capillary walls into Bowman's capsule.
Differentiate the glomerulus from other nephron structures such as the proximal convoluted tubule, loop of Henle, and collecting duct, which are involved in reabsorption, secretion, and urine concentration rather than initial filtration.
Conclude that the glomerulus is the correct answer because it is directly responsible for filtering blood within the renal corpuscle.
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