MCQ’S ON LYMPHOCYTES
1. Lymphocytes are of two types, they are
(a) T-cells and erythrocytes
(b) Erythrocytes and Platelets
(c) T-cells and Platelets
(d) T-cells and B-cells
Answer: (d)
2. Which of these immune cells are able to quickly respond post any subsequent encounter with the same antigen?
(a) helper T cells
(b) memory cells
(c) plasma cells
(d) basophil
Answer: (b)
3. Basophils, eosinophils and Neutrophils are referred to as
(a) Platelets
(b) Astocytomas
(c) Granulocytes
(d) Buffers
Answer: (c)
4. Cytotoxic T cells destroy the target cells
(a) through injection of tumor necrosis factor
(b) by phagocytosis
(c) through insertion of perforins into the target’s membrane
(d) by releasing oxidizing agents
Answer: (c)
5. This is not a cardinal sign of inflammation
(a) redness
(b) heat
(c) swelling and pain
(d) opsonization
Answer: (d)
6. ___________ are released in the respiratory burst having the potent of cell-killing ability
(a) histamines
(b) neutrophils
(c) free radicals
(d) platelets-derived growth factors
Answer: (c)
7. The phenomena that initiates when a helper T cell binds with a class II MHC protein on a displaying cell is referred to as
(a) T cell proliferation
(b) costimulation
(c) self-antigen recognition
(d) antigen proliferation
Answer: (b)
8. The lymphocytes which can develop immunocompetence in the thymus is
(a) B lymphocytes
(b) T lymphocytes
(c) NK cells
(d) None of these
Answer: (b)
9. An immune response when provoked by a nonself particle is known as
(a) immunoglobulin
(b) antibody
(c) antigen
(d) interferon
Answer: (c)
10. The only blood cells which are not viewed as a part of the immune system are
(a) fat cells
(b) glial cells
(c) osteocytes
(d) red blood cells
Answer: (d)
