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: Pediatrics
Haemophilus influenzae has been isolated from the CSF of two year old boy suffering from meningitis. The strain is beta-lactamase producing and resistant to chloramphenicol. The most appropriate antimicrobial in such a situation is - 
Select and explain. 
A. Trimethoprim-sulphamethoxazole combination, B. Ciprofloxacin, C. Third-generation cephalosporin, D. Vancomycin
C: Third-generation cephalosporin
Answer: C: Third-generation cephalosporin 
Explanation: Ans. is 'c' i.e., Third generation cephalosporins DOC for H. influenzae meningitis Cs --> Third generation cephalosporin.