12 Questions
What makes the glomerular capillary membrane different from other capillary membranes?
It has three layers instead of two.
What is the function of the layer of epithelial cells (podocytes) surrounding the outer surface of the glomerular capillary basement membrane?
To form the filtration barrier with the other layers.
Why does the glomerular capillary membrane filter several hundred times as much water and solutes as the usual capillary membrane?
Because of its special characteristics and three-layer structure.
What hinders the passage of plasma proteins through the capillary endothelium?
The fixed negative charges on endothelial cell proteins.
What is the function of the basement membrane in the glomerular capillary membrane?
To form the filtration barrier with the other layers.
What contributes to the high filtration rate across the glomerular capillary membrane?
The presence of endothelial cell proteins.
What is a characteristic of the glomerular capillary membrane that contributes to its high filtration rate?
Presence of thousands of small holes called fenestrae in the capillary endothelium
What prevents the filtration of plasma proteins through the glomerular capillary membrane?
Endothelial cell proteins richly endowed with fixed negative charges
What makes the glomerular capillary membrane different from other capillary membranes?
Presence of three major layers instead of the usual two
Which component surrounds the outer surface of the glomerular capillary basement membrane?
Layer of epithelial cells (podocytes)
What is the function of the basement membrane in the glomerular capillary membrane?
To provide support and structure
Why does the glomerular capillary membrane filter several hundred times as much water and solutes as the usual capillary membrane?
Presence of thousands of small holes called fenestrae in the capillary endothelium
This quiz covers the structure of the glomerular capillary membrane, including its three major layers and their role in filtration. It explores the unique characteristics of this filtration barrier in comparison to other capillaries.
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