First released immunoglobulin after primary immunization_______________?

Correct answer: D. IgM

  • A. IgD
  • B. IgE
  • C. IgG
  • D. IgM

Explanation

IgM is the first antibody produced during a primary immune response because naïve B cells initially secrete it before class switching to IgG, IgA or IgE.

Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated
Report an error

The more specific you are, the faster it gets fixed. A source beats an opinion.

Prefer email? [email protected]

Practise Immunology

90 free Immunology MCQs from Microbiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Discussion

Stuck on an option, or know a faster way to get there? Ask or explain it here.

No comments yet. Be the first to explain this one.

Exams that ask Microbiology questions like this

Microbiology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

More Immunology questions