Specific defense mechanisms are effective against specific pathogens. There are …….main types of specific defense mechanism.
a) two
b) three
c) four
d) five
Explanation: 1. Cell Mediated Immune Response and 2. The Antibody Mediated Immune Response
The cell mediated immune system consists of ……..cells.
a) B-cells
b) T-cells
c) RBCs
d) all of these
Explanation: T-cells originate in the bone marrow, but move to the thymus
T-cells fight against ……
a) bacteria, virus, fungi, protozoans
b) cancer within host
c) react against foreign matter like organ transplant
d) all of these
There are …..types of T-cells.
a) two
b) three
c) four
d) five
Explanation: 1. Cytotoxic T-cells, 2. Helper T-cells and 3. Suppresser T-cells
Which of the following T-cells directly kill the invaders?
a) Cytotoxic T-cells
b) Helper T-cells
c) Suppresser T-cells
d) all of these
Which of the following T-cells aid B cells and other T-cells?
a) Cytotoxic T-cells
b) Helper T-cells
c) Suppresser T-cells
d) all of these
