Textbook Question
Why are renal failure patients undergoing dialysis at risk for anemia and osteoporosis? What medications or supplements could you give them to prevent these problems?
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25. The Urinary System
Renal Physiology: Overview
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What is the main driving force behind glomerular filtration?
A
Hydrostatic pressure in the Bowman's capsule
B
Osmotic pressure in the glomerular capillaries
C
Osmotic pressure in the Bowman's capsule
D
Hydrostatic pressure in the glomerular capillaries
Verified step by step guidance1
Understand the concept of glomerular filtration: It is the process by which the kidneys filter blood, removing excess wastes and fluids.
Identify the forces involved in glomerular filtration: These include hydrostatic pressure and osmotic pressure, both in the glomerular capillaries and Bowman's capsule.
Recognize that hydrostatic pressure is the force exerted by a fluid due to gravity, pushing fluid out of the capillaries.
Note that osmotic pressure is the force exerted by proteins in the blood plasma, pulling water into the capillaries.
Determine that the main driving force for glomerular filtration is the hydrostatic pressure in the glomerular capillaries, which pushes fluid into the Bowman's capsule.
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