Injecting a person with a killed-bacteria vaccine can protect that individual from a disease because the proteins of the killed bacteria

Question

Quizplus · Accepted Answer

When a person is injected with a killed-bacteria vaccine, the killed bacteria will still have the proteins present on their surface. These proteins can stimulate the immune system to produce antibodies against them. These antibodies can later recognize and bind to live bacteria of the same type, marking them for destruction by the immune system before they can cause infection. Therefore, choice C, "stimulate the production of antibodies, which can be utilized later in response to infection," is the best choice. Choices A, B, and D are incorrect because they do not accurately explain the mechanism of how a killed-bacteria vaccine works.

Injecting a Person with a Killed-Bacteria Vaccine Can Protect That