Which of the following T-cells suppress the activity of B cells and other T-cells?
a) Cytotoxic T-cells
b) Helper T-cells
c) Suppresser T-cells
d) all of these
The humoral immune system consists of
a) Cytotoxic T-cells
b) Helper T-cells
c) Suppresser T-cells
d) B-cells
Explanation: B-cells originate in bone marrow and stay there for development
Which of the following cells produce antibodies on exposure to foreign antigen?
a) Cytotoxic T-cells
b) Helper T-cells
c) Suppresser T-cells
d) B-cells
Antibodies are chemically proteins present in ……..
a) blood plasma
b) lymph
c) muscles
d) both a and b
HIV destroys which of the following immune cells?
a) CD4 cells
b) CD8 cells
c) all T-cells
d) B cells
Explanation: CD4 cells, also known as helper T cells or T cells, are an important part of your immune system. CD4 cells fight off infections and keep you from getting sick
Antibodies bind to certain parts of an antigen to mark it for destruction by……
a) T-cells
b) monocytes
c) neutrophils
d) leukocytes
