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How might the events that have occurred upstream at the glomerulus affect Starling forces so that they promote fluid uptake into the peritubular capillaries? What will happen to________

a) glomerular filtration rate and
b) proximal tubule fluid reabsorption if the efferent arteriole is constricted (provide explanations for your answers)?

Respuesta :

Answer:

Explanation:A-

For Glomerular filtration rate, Increased blood volume and increased blood pressure will increase .

Constriction in the afferent arterioles going into the glomerulus and dilation of the efferent arterioles coming out of the glomerulus will decrease.

B- decreases both blood flow and filtration pressure where as constricting the efferent arteriole decreases blood flow but increases filtration pressure

The fact that both can be altered allows independent regulation of both GFR and blood flow.

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