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: Pediatrics
Which of the following is a marker for neural tube defects – 
Select and explain. 
A. ↑ Phosphatidyl Esterase, B. ↑ Pseudocholinesterase, C. ↑ Acetylcholinesterase, D. ↑ Butyrylcholinesterase
C: ↑ Acetylcholinesterase
Answer: C: ↑ Acetylcholinesterase 
Explanation: None