Question

Which scenario does the picture below best represent?


mc017-1.jpgmc017-2.jpg
An antibiotic caused an increase in antibodies.
A vaccine caused an increase in antibodies.
An antibiotic destroyed a pathogen.
A vaccine destroyed a pathogen.

Answer 1

A vaccine caused an increase in antibodies.

Explanation: Vaccines stimulate the immune system to produce antibodies (and memory cells), so you see a rise in antibody levels. Antibiotics kill or inhibit microbes directly and do not cause antibody production.