What is the most common form of bacterial meningitis? What abx's do you give empirically? What medication do you give 15 minutes prior to the abx?

a) Haemophilus influenzae, ceftriaxone and vancomycin, dexamethasone
b) Neisseria meningitidis, penicillin and rifampin, acetaminophen
c) Streptococcus pneumoniae, cefotaxime and ampicillin, diphenhydramine
d) Escherichia coli, ciprofloxacin and clindamycin, ibuprofen