Final answer:
Ticarcillin is a broad-spectrum antibiotic used to treat serious infections caused by gram-negative aerobic bacilli and mixed aerobic-anaerobic infections. It works by inhibiting the synthesis of bacterial cell walls.
Step-by-step explanation:
Ticarcillin is a broad-spectrum antibiotic that is primarily used to treat serious infections caused by gram-negative aerobic bacilli and mixed aerobic-anaerobic infections. These types of infections can include respiratory tract infections, urinary tract infections, skin and soft tissue infections, intra-abdominal infections, and septicemia. Ticarcillin works by inhibiting the synthesis of bacterial cell walls, leading to the destruction of the bacteria.