What is the effect of decreasing the efferent Arteriole radius on glomerular filtration rate?

Your answer: Increasing the efferent radius will cause glomerular capillary pressure and filtration rate to decrease. Increasing the efferent radius allows more blood drainage out of the glomerulus and that decreases the amount of blood to be filtered so the glomerular filtration rate will decrease.Click to see full answer. Similarly, what happens when the afferent Arteriole radius is decreased?When the radius of the afferent arteriole was decreased, the pressure and filtration rate both decreased. When the radius of the afferent arteriole was increased, the pressure and filtration rate both increased. When the radius of the efferent arteriole was decreased, the pressure and filtration rate both increased.Secondly, what will happen to the glomerular capillary pressure and filtration rate if you increase the radius? Your answer: If we increase the efferent radius the capillary pressure and filtration rate will decrease. As the efferent radius is increased there is more time and less pressure for the blood to be filtrated hence is the change that both values decrease. Keeping this in view, which Arteriole radius adjustment was more effective? Your answer: Increasing the afferent radius was more effective than decreasing the efferent radius at compensating for the effect of low blood pressure on the glomerular filtration rate because there was a greater increase in glomerular pressure.How did increasing the blood pressure alter the results when the valve was closed?If you close the one way valve, pressure will increase in the Bowman’s capsule and filtration rate will decrease. How did increasing the blood pressure alter the results when the valve was closed? With increased pressure and the valve closed, the filtration rate decreased but the glomerular pressure stayed the same.

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