Multiple Choice
Which organ in the urinary system is primarily responsible for reabsorbing water from the filtrate?
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25. The Urinary System
Introduction to the Urinary System
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Which of the following is not a part of the juxtaglomerular complex?
A
Podocytes
B
Macula densa
C
Extraglomerular mesangial cells
D
Juxtaglomerular cells
Verified step by step guidance1
Understand the structure and function of the juxtaglomerular complex, which is involved in regulating blood pressure and filtration rate in the kidneys.
Identify the components of the juxtaglomerular complex: macula densa, juxtaglomerular cells, and extraglomerular mesangial cells.
Recognize that podocytes are specialized cells that form part of the filtration barrier in the glomerulus, not the juxtaglomerular complex.
Compare the roles of each component: macula densa senses sodium concentration, juxtaglomerular cells release renin, and extraglomerular mesangial cells provide structural support.
Conclude that podocytes are not part of the juxtaglomerular complex, as they are involved in the filtration process within the glomerulus itself.
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