Physiology Constriction of the afferent aeriole to the kidney glomerulus results in: A Reduction of glomerular filtration rate and decreased urinary output B Increased urine output C Increased glomerular filtration rate and no change in urine output. D Decreased urine output 💡 Explanation Constriction of the afferent aeriole to the kidney glomerulus results in: ✓ Correct Answer: A. Reduction of glomerular filtration rate and decreased urinary output