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Which of the following would you predict to cause an increase in GFR (the rate at...

Which of the following would you predict to cause an increase in GFR (the rate at which blood plasma filters from the capillaries of the glomerulus into the Bowman's capsule during the formation of primary urine)?

A Higher hydrostatic pressure in the capillaries of the glomerulus (AKA higher blood pressure).

B Lower hydrostatic pressure in the capillaries of the glomerulus (AKA lower blood pressure).

C Higher hydrostatic pressure in the Bowman's capsule of the nephron.

D Higher concentration of proteins in the blood plasma.

Science   Anatomy-And-Physiology   
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Option A) Higher hydrostatic pressure in the capillaries of the glomerulus (AKA higher blood pressure).

The three fators that affect glomerular filtration rate are :

  • Capillary hydrostatic pressure --- It increase GFR
  • Capsular hydrostatic pressure --- It decrease GFR
  • Blood colloid osmotic pressure --- It decrease GFR


- Hydrostatic pressure is the pressure exerted by blood against capillary wall. Increase in this presure will increase glomerular filtration rate.
- Normal GFR is 125ml / min.

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