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: Pharmacology
The neuromuscular blocker that can cross the placenta is: 
Select and explain. 
A. D-tubocurarine, B. Succinylcholine, C. Gallamine, D. Pancuronium
C: Gallamine
Answer: C: Gallamine 
Explanation: D-tubocurarine, succinylcholine and pancuronium do not cross the placental barrier and can be employed in obstetric practice. However, gallamine can cross the placental barrier and should not be used in obstetric practice.