Florida Biology EOC Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

Antibiotics are specifically designed to fight against bacterial infections, making option A the correct answer. Bacterial infections are caused by bacteria, which are single-celled organisms that can invade the body and cause illness. Antibiotics work by killing the bacteria or stopping their growth, which helps to eliminate the infection.

Options B and C are incorrect because antibiotics only target bacteria, whereas cold and flu viruses are caused by a different type of pathogen, a virus. Antibiotics are not effective against viruses, so they would not be helpful in treating a cold or flu.

Option D is also incorrect because antibiotics are not designed to combat fungal infections. Fungal infections are caused by fungi, which are different from bacteria and require a different type of treatment. Therefore, antibiotics would not be effective in treating a fungal infection.

Overall, the best option is A because antibiotics are designed specifically for bacterial infections and are not effective against viruses or fungal infections.