3. Calculate a numerical value for net filtration pressure in the glomerulus under each of the...

3. Calculate a numerical value for net filtration pressure in the glomerulus under each of the following conditions. Don’t forget to include units with each answer.

a. At the afferent end of the glomerular capillaries: glomerular capillary blood (hydrostatic or hydraulic) pressure is 60 mm Hg; hydrostatic (hydraulic) pressure in Bowman’s capsule is 15 mm Hg; oncotic pressure in the glomerular capillaries at the afferent end is 21 mm Hg; and oncotic pressure in Bowman’s capsule is 0 mm Hg. Please show your work.

b. Does your answer to the above question indicate that filtration or reabsorption is occurring across the glomerular capillaries at their afferent end?

c. At the efferent end of the glomerular capillaries: glomerular capillary blood (hydrostatic or hydraulic) pressure is 58 mm Hg; hydrostatic (hydraulic) pressure in Bowman’s capsule is 15 mm Hg; oncotic pressure in the glomerular capillaries at the efferent end is 33 mm Hg; and oncotic pressure in Bowman’s capsule is 0 mm Hg. Please show your work.

d. Does answer to the above question indicate that filtration or reabsorption is occurring across the glomerular capillaries at their efferent end?

e. What is the average net filtration pressure across the glomerular capillaries in the above 2 problems? Show your work and include units.

f. Explaining why oncotic pressure in the glomerular capillaries is greater at the efferent end than at the afferent end.

Expert Solution

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Sydney Mullin answered 7 hours ago

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