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The statement 'Each antibiotic works exclusively against a single type of pathogen' is inaccurate. Which of the following explains why?

1. Antibiotics can act on various types of microorganisms.
2. Antibiotics are selective for specific bacterial strains.
3. Antibiotics are capable of targeting both gram-positive and gram-negative bacteria.
4. Antibiotics are effective in combating viral infections.

Correct answer: Antibiotics can act on various types of microorganisms.

Solution

The statement 'Each antibiotic is effective only against one particular kind of germ' is incorrect because some antibiotics, known as broad-spectrum antibiotics, are effective against a wide range of microorganisms, including both gram-positive and gram-negative bacteria.

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