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
Inter dose interval depends on? 
Select and explain. 
A. Half life of drug, B. Dose of drug, C. Age of patient, D. Bioavailability of drug
A: Half life of drug
Answer: A: Half life of drug 
Explanation: None