Multiple Choice
The ________________ is the finest layer of the filtration membrane.
25. The Urinary System
Renal Physiology Step 1: Glomerular Filtration
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In what part of the nephron is plasma filtered?
A
in the distal convoluted tubule
B
in the proximal convoluted tubule
C
in the collecting duct
D
in the renal corpuscle
Verified step by step guidance1
Understand the structure of the nephron, which is the functional unit of the kidney. It consists of several parts: the renal corpuscle, proximal convoluted tubule, loop of Henle, distal convoluted tubule, and collecting duct.
Identify the role of the renal corpuscle in the nephron. The renal corpuscle is composed of the glomerulus and Bowman's capsule.
Recognize that the primary function of the renal corpuscle is to filter blood plasma. The glomerulus, a network of capillaries, allows water and solutes to pass into Bowman's capsule, forming the filtrate.
Differentiate between the renal corpuscle and other parts of the nephron. The proximal convoluted tubule, distal convoluted tubule, and collecting duct are involved in reabsorption and secretion, not initial filtration.
Conclude that plasma is filtered in the renal corpuscle, where the filtration process begins, separating waste and excess substances from the blood.
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