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Questions and Answers
What makes the glomerular capillary membrane different from other capillary membranes?
What makes the glomerular capillary membrane different from other capillary membranes?
- It has three layers instead of two. (correct)
- It filters several hundred times less water and solutes.
- It has larger fenestrations than other capillaries.
- It is surrounded by a layer of epithelial cells.
What is the function of the layer of epithelial cells (podocytes) surrounding the outer surface of the glomerular capillary basement membrane?
What is the function of the layer of epithelial cells (podocytes) surrounding the outer surface of the glomerular capillary basement membrane?
- To perforate the endothelium with small holes called fenestrae.
- To form the filtration barrier with the other layers. (correct)
- To filter large amounts of water and small solutes.
- To hinder the passage of plasma proteins.
Why does the glomerular capillary membrane filter several hundred times as much water and solutes as the usual capillary membrane?
Why does the glomerular capillary membrane filter several hundred times as much water and solutes as the usual capillary membrane?
- Because it is surrounded by a layer of epithelial cells.
- Because it consists of a meshwork of collagen and proteoglycan fibrillae.
- Because of its special characteristics and three-layer structure. (correct)
- Due to the smaller fenestrations in the endothelium.
What hinders the passage of plasma proteins through the capillary endothelium?
What hinders the passage of plasma proteins through the capillary endothelium?
What is the function of the basement membrane in the glomerular capillary membrane?
What is the function of the basement membrane in the glomerular capillary membrane?
What contributes to the high filtration rate across the glomerular capillary membrane?
What contributes to the high filtration rate across the glomerular capillary membrane?
What is a characteristic of the glomerular capillary membrane that contributes to its high filtration rate?
What is a characteristic of the glomerular capillary membrane that contributes to its high filtration rate?
What prevents the filtration of plasma proteins through the glomerular capillary membrane?
What prevents the filtration of plasma proteins through the glomerular capillary membrane?
What makes the glomerular capillary membrane different from other capillary membranes?
What makes the glomerular capillary membrane different from other capillary membranes?
Which component surrounds the outer surface of the glomerular capillary basement membrane?
Which component surrounds the outer surface of the glomerular capillary basement membrane?
What is the function of the basement membrane in the glomerular capillary membrane?
What is the function of the basement membrane in the glomerular capillary membrane?
Why does the glomerular capillary membrane filter several hundred times as much water and solutes as the usual capillary membrane?
Why does the glomerular capillary membrane filter several hundred times as much water and solutes as the usual capillary membrane?
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