This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Pharmacology
Fluoroquinolone with highest oral bioavilability:- 
Select and explain. 
A. Levofloxacin, B. Gemifloxacin, C. Ciprofloxacin, D. Norfloxacin
A: Levofloxacin
Answer: A: Levofloxacin 
Explanation: Bioavailability : rate and extend to which an administered drug reaches the systemic circulation . Of the above mentioned drugs:- Levofloxacin has maximum bioavailability Norfloxacin has minimum bioavailability