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: Gynaecology & Obstetrics
Which of the following strategies for administering magnesium sulfate for eclampsia prophylaxis should be used in the  setting of an elevated serum creatinine 
Select and explain. 
A. Give 3g loading dose followed by 2g/hr infusion, B. Give 3g loading dose, check magnesium level, and then titrate infusion rate, C. Give no loading dose and start infusion at 2g/hr, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: In case of severe renal dysfunction , only loading dose of magnesium sulfate is required to produce steady state therapeutic level.