IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

LYMPHATIC TISSUES AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which response occurs on first exposure to particular antigen?
A
primary
B
secondary
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Following the first exposure to a foreign antigen, a lag phase occurs in which no antibody is produced, but activated B cells are differentiating into plasma cells.

Detailed explanation-2: -IgM is the first antibody produced in primary immune response.

There is 1 question to complete.