This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy 3, Subject name: Anatomy
The sensation produced by a wisp of cotton on one's fingeip is mediated by the: 
Select and explain. 
A. Anterior coicospinal tract, B. Anterior spinocerebellar tract, C. Anterior spinothalamic tract., D. Cuneocerebellar tract.
C: Anterior spinothalamic tract.
Answer: C: Anterior spinothalamic tract. 
Explanation: Anterior spinothalamic tract is concerned with light touch- sensation produced by stroking skin with a wisp of cotton.