This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Increased  velocity  of  conduction  in  a nerve is favored by: 
Select and explain. 
A. Increased capacitance, B. Decreased capacitance, C. Increased resistance, D. All of the above
A: Increased capacitance
Answer: A: Increased capacitance 
Explanation: Velocity of conduction in a nerve is increased by myelination, increase in diameter (thick nerve) and capacitance and decrease in resistance.