Question

B 0 D Concentration of Blood Component Variable number E A IV This letter indicates the humoral response of B cells | This letter indicates the level of CD4+ T cells | This letter indicates the level of antibodies to one or more viral antigens This letter indicates when a sputum sample might be positive for Pneumocystis (carini) jiroveci This letter indicates when symptoms of AIDS ensue This letter indicates the virus is in a latent period This letter indicates the level of virus antigen To generate this letters information requires measuring serum antibody concentrations Α.Ε B. B C.A D C ED

Answer 1

1. D

In Humoral response membrane-bound protein complexes i.e the B cell receptors consists of antigen specific antibodies that leads to travelling of mature B cell from bone marrow to the lymph nodes thereby encountering the pathogens.

2. A

CD4 and T cells responds slowly as compared to the CD8 and T cells. Also with time, the number of CD4 and T cells decline

3. D

4. B

5. C

6. A

7. D

8. D