Home ยป Out of the following, which one does not affect the speed of conduction of nerve impulse Nervous System MCQs Out of the following, which one does not affect the speed of conduction of nerve impulse September 22, 2022 7 Views Q. Out of the following, which one does not affect the speed of conduction of nerve impulse. No. of gangliaMyelin sheathAxon diameterTemperature Answer: No. of ganglia