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
Venterolateral cordotomy for relief of pain in right lower limb due to cutting 
Select and explain. 
A. Left ventral spinothalamic tract, B. Left lateral spinothalamic tract, C. Right ventral spinothalamic tract, D. Right lateral spinothalamic tract
B: Left lateral spinothalamic tract
Answer: B: Left lateral spinothalamic tract 
Explanation: Sensations carried by the posterior column
-        Proprioception, Vibration, kinesthesia, fine touch.
Sensations carried by the anterolateral column
-        Temperature, pain (lateral) and crude touch (anterior)
Crossing over of fibers occurs in case of the anterolateral system.