Difficulty: Medium

Average Score: 51%

Which of the following statements about antibiotics is not true?

Rationale

They can cause more bacteria to grow.

Antibiotics are designed to inhibit or kill bacteria, not promote their growth. Therefore, the assertion that antibiotics can cause more bacteria to grow is fundamentally incorrect.

A (They can interfere with the bacteria's ability to survive) YOUR ANSWER

This statement is true because antibiotics function by targeting specific bacterial processes or structures, such as cell wall synthesis or protein production, thereby compromising the bacteria's ability to survive and reproduce.

B (They can affect how bacteria multiply) YOUR ANSWER

This statement is accurate as well. Many antibiotics disrupt bacterial cell division or replication processes, leading to inhibited growth and multiplication. For instance, some antibiotics prevent the synthesis of essential components required for bacterial cell division.

C (They can cause more bacteria to grow) CORRECT

This statement is false. Antibiotics are specifically formulated to kill or inhibit bacterial growth. While antibiotic resistance can lead to the survival of more resistant bacteria, antibiotics themselves do not promote bacterial growth; they are intended to reduce bacterial populations.

D (They only work on bacteria) YOUR ANSWER

This statement is true. Antibiotics are specifically designed to target bacterial cells and do not affect viruses or other types of pathogens. This specificity is crucial for their therapeutic use in treating bacterial infections without harming human cells.

Conclusion

Antibiotics are crucial tools in combating bacterial infections, functioning by impairing bacterial survival and reproduction. The only incorrect statement among the options is that antibiotics can cause more bacteria to grow, which contradicts their primary purpose. Understanding the mechanism of action and limitations of antibiotics is essential for effective treatment and combating antibiotic resistance.

Related Questions

View all