This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pediatrics
Which of the following is a marker for Neural Tube Defects 
Select and explain. 
A. Phosphatidylesterase, B. Pseudocholinesterase, C. Acetylcholinestarase, D. Butyrylcholinesterace
C: Acetylcholinestarase
Answer: C: Acetylcholinestarase 
Explanation: Test of amniotic fluid includes acetylcholine esterase and alfha feto protein level in maternal blood is increased Image : types of neural tube defe Ref Ghai pediatrics eighth edition pg no 576