The patient is just beginning to feel symptoms after being exposed to an upper respiratory infection. Which initial antibody would most likely be elevated in a test of immunoglobulin (Ig) levels?

Question

Quizplus · Accepted Answer

IgM is the first antibody to be produced in response to an antigen and is primarily involved in the initial stages of the immune response, making it the most likely elevated immunoglobulin in the early phase of an infection.

The Patient Is Just Beginning to Feel Symptoms After Being