10 Questions
What is the main force that opposes the glomerular capillary hydrostatic pressure?
Oncotic pressure
What determines the GFR?
Pressure across the glomerular wall
What is the osmotic pressure in the glomerular capillaries due to?
Protein concentration in the blood
What is the hydrostatic pressure in the Bowman's capsule due to?
Fluid pressure in the Bowman's capsule
How many main forces determine the GFR?
3
The glomerular capillary hydrostatic pressure is the force that opposes the filtration of fluid into the Bowman's capsule.
False
The osmotic pressure in the glomerular capillaries is due to the concentration of red blood cells in the blood.
False
The Bowman's capsule hydrostatic pressure is higher than the glomerular capillary hydrostatic pressure.
False
There are four main forces that determine the GFR.
False
The oncotic pressure is a force that favours the filtration of fluid into the Bowman's capsule.
False
Study Notes
Glomerular Filtration Rate (GFR)
- GFR is determined by the pressure across the glomerular wall
Forces Affecting GFR
- Three main forces affect GFR:
- Glomerular capillary hydrostatic pressure
- Bowman's capsule hydrostatic pressure
- Oncotic pressure (osmotic pressure due to protein concentration in blood)
Glomerular Filtration Rate (GFR)
- GFR is determined by the pressure across the glomerular wall
Forces Affecting GFR
- Three main forces affect GFR:
- Glomerular capillary hydrostatic pressure
- Bowman's capsule hydrostatic pressure
- Oncotic pressure (osmotic pressure due to protein concentration in blood)
This quiz assesses your understanding of the factors that determine the Glomerular Filtration Rate (GFR), including hydrostatic and oncotic pressures. Test your knowledge of the physiological processes involved in glomerular filtration.
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