Answer:
The answer is "This antibiotic is the best choice since the causative organism is not known."
Step-by-step explanation:
Broad-spectrum antibiotics are any antibiotics that act against a wide range of bacteria. They especially act on the two major bacterial groups; gram-positive and gram-negative bacteria. When the causative organism is not known and delays in treatment could lead to a worse infection or spread of bacteria then broad-spectrum antibiotics is used
Broad-spectrum antibiotics are known to cause more side effects.