Physiology Affect of sympathetic stimulation on GFR ? A Increased GFR with afferent aeriolar dilatation B Increased GFR with efferent aeriolar constriction C Decreased GFR with afferent aeriolar constriction D Decreased GFR with efferent aeriolar dilatation 💡 Explanation Affect of sympathetic stimulation on GFR ? ✓ Correct Answer: C. Decreased GFR with afferent aeriolar constriction