Regarding nerve fibres:

• A. type C myelinated fibres in the dorsal root conduct impulses concerning pain and temperature
• B. type A unmyelinated fibres conduct impulses concerning proprioception
• C. type A unmyelinated fibres conduct impulses concerning light touch
• D. type A unmyelinated fibres conduct impulses to muscle spindles
• E. type B myelinated fibres are located in preganglionic autonomic region