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The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is
- a)50 mm Hg
- b)75 mm Hg
- c)10 mm Hg
- d)30 mm Hg
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
The net pressure gradient that causes the fluid to filter out of the g...
Net pressure gradient = Glomerular hydrostatic pressure - (Blood colloidal osmotic pressure + Capsular hydrostatic pressure)
= 60 mm Hg - (30 mm Hg + 20 mm Hg)
= 60 - 50 = 10 mm Hg
= 60 mm Hg - (30 mm Hg + 20 mm Hg)
= 60 - 50 = 10 mm Hg
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The net pressure gradient that causes the fluid to filter out of the g...
The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is 10 mm Hg.
Explanation:
The filtration process in the glomeruli of the kidney is driven by a pressure gradient known as the net filtration pressure. This pressure gradient is determined by the balance between the forces that promote filtration and the forces that oppose it.
The forces that promote filtration are:
1. Glomerular hydrostatic pressure (GHP): This is the pressure exerted by the blood in the glomerular capillaries. It is the primary force that drives fluid out of the capillaries and into the capsule. The GHP is approximately 50 mm Hg.
The forces that oppose filtration are:
1. Capsular hydrostatic pressure (CHP): This is the pressure exerted by the fluid in the capsule. It opposes the movement of fluid into the capsule. The CHP is approximately 10 mm Hg.
2. Blood colloid osmotic pressure (BCOP): This is the pressure exerted by the proteins in the blood. It opposes the movement of fluid out of the capillaries. The BCOP is approximately 30 mm Hg.
Calculating the net filtration pressure:
Net filtration pressure (NFP) = GHP - (CHP + BCOP)
Substituting the given values:
NFP = 50 mm Hg - (10 mm Hg + 30 mm Hg)
NFP = 50 mm Hg - 40 mm Hg
NFP = 10 mm Hg
Therefore, the net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is 10 mm Hg. This means that the GHP of 50 mm Hg is opposed by the combined pressure of the CHP (10 mm Hg) and BCOP (30 mm Hg), resulting in a net filtration pressure of 10 mm Hg.
Explanation:
The filtration process in the glomeruli of the kidney is driven by a pressure gradient known as the net filtration pressure. This pressure gradient is determined by the balance between the forces that promote filtration and the forces that oppose it.
The forces that promote filtration are:
1. Glomerular hydrostatic pressure (GHP): This is the pressure exerted by the blood in the glomerular capillaries. It is the primary force that drives fluid out of the capillaries and into the capsule. The GHP is approximately 50 mm Hg.
The forces that oppose filtration are:
1. Capsular hydrostatic pressure (CHP): This is the pressure exerted by the fluid in the capsule. It opposes the movement of fluid into the capsule. The CHP is approximately 10 mm Hg.
2. Blood colloid osmotic pressure (BCOP): This is the pressure exerted by the proteins in the blood. It opposes the movement of fluid out of the capillaries. The BCOP is approximately 30 mm Hg.
Calculating the net filtration pressure:
Net filtration pressure (NFP) = GHP - (CHP + BCOP)
Substituting the given values:
NFP = 50 mm Hg - (10 mm Hg + 30 mm Hg)
NFP = 50 mm Hg - 40 mm Hg
NFP = 10 mm Hg
Therefore, the net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is 10 mm Hg. This means that the GHP of 50 mm Hg is opposed by the combined pressure of the CHP (10 mm Hg) and BCOP (30 mm Hg), resulting in a net filtration pressure of 10 mm Hg.
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The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule isa)50 mm Hgb)75 mm Hgc)10 mm Hgd)30 mm HgCorrect answer is option 'C'. Can you explain this answer?
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