This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oncology, Subject name: Medicine
Patient presents with Hb-5 g%, TLC-9000/cc,DLC- Neutrophils-3%, Lymphoblasts-75% and fever for 1 mth. Drug used is - 
Select and explain. 
A. iv Ciprofloxacin, B. Colony stimulating factor, C. Packed cell transfusion, D. Oral Ciprofloxacin
A: iv Ciprofloxacin
Answer: A: iv Ciprofloxacin 
Explanation: Ciprofloxacin is an antibiotic used to treat a number of bacterial infections.This includes bone and joint infections, intra abdominal infections, ceain type of infectious diarrhea, respiratory tract infections, skin infections, typhoid fever, and urinary tract infections, among others.For some infections it is used in addition to other antibiotics. It can be taken by mouth, as eye drops, as ear drops, or intravenously Ref Harrison 20th edition pg 580