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
Group B nerve fibres are situated in 
Select and explain. 
A. Muscle spindles, B. Fibres carrying pain sensation, C. Preganglionic autonomic fibres, D. Post ganglionic autonomic fibres
C: Preganglionic autonomic fibres
Answer: C: Preganglionic autonomic fibres 
Explanation: Types of nerve fibers
fibers are fast fibers.
-        Aα- Somatic motor to extrafusal fibers of muscle spindle, proprioception
-        Aβ- Kinesthetic, pressure and touch
-        Aγ- Motor to intrafusal fibers of muscle spindle
-        Aδ-  Pain, temperature, touch and pressure
-        B fibers- Autonomic preganglionic (Myelinated)
-        C fibers- Pain, temperature, autonomic postganglionic (mainly sympathetic)