A. Broad Spectrum – Vancomycin (II): Vancomycin is known to be effective against a wide variety of bacteria, including both Gram-positive and Gram-negative types.
B. Typhoid – Chloramphenicol (IV): This drug was historically the first antibiotic effective against typhoid fever, caused by *Salmonella typhi*.
C. Bactericidal – Ofloxacin (V): Ofloxacin is a fluoroquinolone that kills bacteria by inhibiting DNA gyrase, making it bactericidal.
D. Bacteriostatic – Erythromycin (III): Erythromycin is a macrolide that inhibits protein synthesis in bacteria, thus only stopping their growth (bacteriostatic).