Pain is carried by which nerve fibers-: (A) Aa, Ab, (B) Aa, Ag, (C) Ad, C, (D) Ag, C
Answer is C. Ans. is 'c' i.e., Ad, C o Type A fibers# A a - Proprioception, somatic motor (extrafusal fibers of muscle spindle).# A b - Touch, pressure, kinesthetic# A g - Motor to intrafusal fibers of muscle spindle# Ad - Pain, temperature, touch, pressureo Type B fibers - Preganglionic autonomico Type C fibers - Pain, temperature, Postganglionic autonomic (mainly sympathetic)