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 loading dose of Aminophylline is- 
Select and explain. 
A. 50-75 mg/kg, B. 0.5-1.0 mg/kg, C. 2.0-3.5 mg/kg, D. 5-6 mg/kg
D: 5-6 mg/kg
Answer: D: 5-6 mg/kg 
Explanation: Ans. is 'd' i.e. 5-6 mg/kg o Aminophylline is a preparation of theophylline, where theophylline is complexed with EDTA. o The i.v. injection must be slow (loading dose of 5 mg/kg over 20 min followed by an infusion of 9 mg/kg/h, adjusted according to subsequent plasma theophylline concentrations).