Difficulty: Easy

Average Score: 94%

Which of the following statements about antibiotics is incorrect?

Rationale

They can cause more bacteria to grow.

Antibiotics are designed to inhibit or kill bacteria, not promote their growth. While antibiotics can disrupt bacterial populations, their primary function is to limit bacterial survival and reproduction, making this statement incorrect.

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

This statement is correct because antibiotics target essential processes in bacteria, such as cell wall synthesis or protein production, ultimately leading to bacterial death or inhibited growth. By interfering with these vital functions, antibiotics help eliminate infections.

B (They can affect how bacteria multiply.) YOUR ANSWER

This statement is also correct as many antibiotics work by disrupting the processes involved in bacterial replication. For instance, some antibiotics inhibit DNA synthesis or cell division, thereby affecting bacterial multiplication and limiting the spread of infection.

C (They can cause more bacteria to grow.) CORRECT

This statement is incorrect because antibiotics do not promote bacterial growth; rather, they are intended to suppress or kill bacteria. Misuse or overuse of antibiotics can lead to resistance, which may allow some bacteria to survive, but this does not mean that antibiotics cause growth.

D (They only work on bacteria.) YOUR ANSWER

This statement is correct since antibiotics are specifically designed to target bacterial cells and do not affect viruses or fungal pathogens. Their mechanism of action is tailored to exploit differences between prokaryotic bacteria and eukaryotic human cells, making them ineffective against non-bacterial infections.

Conclusion

Antibiotics serve as a critical tool in combating bacterial infections by inhibiting survival and reproduction. While they can effectively interfere with bacterial processes, the statement claiming they cause more bacteria to grow is fundamentally incorrect. Understanding the correct functions of antibiotics is essential for their effective and responsible use in medicine.

Related Questions

View all