A Treatment for Bacterial Infections from the Early 20th Century

question 31

Multiple Choice

A treatment for bacterial infections from the early 20th century has made a comeback-the use of bacterial viruses to eliminate bacterial infections.Which explanation most accurately describes this mechanism of action behind this treatment?

• A)A wide variety of bacteria cause a large percentage of human infections,producing much sickness and death.
• B)Viruses can infect bacteria,transferring pathogenic genes.The viral genes can then be suppressed,causing the bacteria to not replicate viruses.
• C)The attachment structures on the virus and the receptors on the host cells make for exquisite specificity of viruses for particular bacterial species.
• D)Antibiotic resistance in humans is on the increase,so using a different kind of therapy is more beneficial.