A vaccine exposes an individual to an ________blank that is specific to the pathogen, but is not the entire intact pathogen. Once exposed, the body begins an immune response and generates ________blank.

Question

Quizplus · Accepted Answer

A vaccine introduces an antigen, which is a molecule or molecular structure that is recognized by the immune system, specifically by the antibodies or the cells of the immune system. This exposure does not involve the entire pathogen but rather parts of it or a weakened form that cannot cause disease. The immune system responds by generating memory B and T cells, which are types of white blood cells that remember how to fight that specific pathogen in the future, thus providing immunity.

A Vaccine Exposes an Individual to an ________Blank That Is