Arrange in the correct sequence these components of the mammalian immune system as it first responds to a pathogen.
I. Pathogen is destroyed.
II. Lymphocytes secrete antibodies.
III. Antigens from the pathogen bind to receptors on lymphocytes.
IV. Lymphocytes specific to antigens from the pathogen become numerous.
V. Only memory cells remain.
A) I → III → II → IV → V
B) III → II → I → V → IV
C) II → I → IV → III → V
D) IV → II → III → I → V
E) III → IV → II → I → V

Question

Quizplus · Accepted Answer

The correct sequence starts with antigens from the pathogen binding to receptors on lymphocytes (III), followed by the proliferation of specific lymphocytes (IV), then the secretion of antibodies by these lymphocytes (II), leading to the destruction of the pathogen (I), and finally, only memory cells remain (V).

Arrange in the Correct Sequence These Components of the Mammalian