48. Vasoconstriction of the afferent arteriole causes_ a. Glomerular Filtration

Question

48. Vasoconstriction of the afferent arteriole causes_ a. Glomerular Filtration rate to increase b. Glomerular Filtration rate to decrease c. Blood Pressure to increase 49. Water and ions are reabsorbed from the tubule into the a. Afferent arteriole b. Efferent arteriole C. Peritubular capillary 50. Which of the following is TRUE? a. The macula densa responds to an increase in fitrate in the distal convoluted tubule stimulating granular cells to decrease the release of Renin. b. Granular cells secrete Renin in response to a drop in blood pressure. c. The afferent arteriole constricts in response to a decrease in blood volume d. All of the above are TRUE

Explanation / Answer

48. vasoconstriction of affrent arteriole decreases the blood flow into the glomerulus and thus decreasing glomerular hydrostatic pressure whicg leads to decrease in GFR.

49.Peritubular Capillary- ions and water are reabsorbed into peritubular capillary from tubules via active transport

50. Only OPTION B is true

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