Question

Broad spectrum antibiotics are the ones which

• A. Acts on a variety of pathogenic microbes
• B. Is effective in very small amount
• C. Acts on both pathogen and host
• D. Is effective against all bacteria and viruses

Answer 1

Answer: (A)

Acts on a variety of pathogenic microbes

Antibiotics are antibacterial compounds used for the treatment and prevention of bacterial infections. They act by either killing or inhibiting the growth of bacteria. They are of two types, broad-spectrum antibiotics, and narrow-spectrum antibiotics. Broad-spectrum antibiotics are the one which acts on a variety of pathogenic microbes. The example includes cephalosporins. Narrow spectrum antibiotics are the one which acts on only Gram-negative bacteria. The example includes vancomycin.

Thus, the correct answer is 'Acts on a variety of pathogenic microbes.'