This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Chronaxie minimum in 
Select and explain. 
A. Mixed nerves, B. Unmyelinated nerve, C. Myelinated nerve, D. Sensory nerves
C: Myelinated nerve
Answer: C: Myelinated nerve 
Explanation: Duration for which twice the rheobase strength has been applied to produce an action potential is called chronaxie. It is measure of excitability of the tissues. (REF TEXTBOOK OF MEDICAL PHYSIOLOGY GEETHA N 2 EDITION, PAGE NO - 30)