Arrange in the Correct Sequence Each of the Following Components

question 20

Multiple Choice

Arrange in the correct sequence each of the following 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) III -II -I -V -IV
• B) I -III -II -IV - V
• C) IV -II -III -I - V
• D) II -I -IV -III - V
• E) III -IV -II -I -V