Download Immunology PQ Answered

The branch of biology, which involves the study of immune systems in all organisms
called
1. Zoology
2. Microbiology
3. Immunology. ❌
❌❌
4. Biotechnology
5. Immunodiagnostics
Which of the following immunity is obtained during a lifetime?
6.Acquired immunity ❌❌❌
7.Active immunity
8.Passive immunity
9. Spiritual immunity
10. Herd Immunity
How many types of antibodies are there?
11. Five. ❌❌❌
12. Three.
13. Two.
14. Four.
15. Six
Which of the following cells is involved in cell-mediated immunity?
16. Leukaemia
17. T cells ❌❌❌
18. Mast cells
19. Thrombocytes
20. Thymocytes
Which of the following protects our body against disease-causing pathogens
21. Respiratory system
22. Immune system ❌
❌❌
23. Digestive system
24. Respiratory system
25. Reproductive system
Hepatitis is an example of
26. Subunit Vaccine
27. Killer Vaccine
28. Toxoids Vaccine
29. Recombinant Vaccine ❌
❌❌
30. Natural vaccine
7.Which of the following statements is true about the IgM of humans?
31. IgM can cross the placenta
32. IgM can protect the mucosal surface
33. IgM is produced by high-affinity plasma cells
34. IgM is primarily restricted in the circulation ❌❌❌❌
35. IgM signifies recent immunity Interferons are
36. Cytokine barriers❌❌
❌
37. Physical barriers
38. Cellular barriers
39. Physiological barriers
40. Natural barriers
Which of the following cells of the immune system do not perform phagocytosis?
41. Macrophage
42. Neutrophil
43. Eosinophil
44. Dendritic cell
45. Basophil ❌❌
❌
Monocytes differentiate into which kind of phagocytic cells?
46. Neutrophil
47. B cell
48. Macrophage❌
❌❌
49. Dendritic cells
50. Macrophage.
Naturally acquired active immunity would be most likely acquired through which of
following processes?
51. vaccination
52. drinking colostrum
53. natural birth
54. infection with disease causing organism followed by recovery ❌
❌
❌
55. injection with attenuated vaccine
Which of the following convey the longest lasting immunity to an infectious age
56. Naturally acquired passive immunity ❌❌❌
57. Artificially acquired passive immunity
58. Naturally acquired active immunity
59. All of the above
60. None of the above
Which of the following substances will not stimulate an immune response unless they are
bound to a larger molecule?
61. Antigen
62. Virus
o Hapten ❌❌❌
64. Miligen
65. Antibody
B and T cells are produced by stem cells that are formed in:
66. Bone marrow❌
❌❌
67. The liver
68. The circulatory system
69. The spleen
70. The lymph nodes
B cells mature in the........... while T cells mature in the.
71. Thymus/bone marrow and gut associated lymphoid tissue (GALT) ❌❌❌❌
72. Spleen/bone marrow and GALT
73. Bone marrow and GALT/Thymus
74. Liver/Bone marrow
75. Kidneys/Bone marrow
Which of the following immune cells/molecules are most effective at destroying intracellular
pathogens?
76. T helper cells❌❌
❌
77. T cytolytic cells
78. B cells
79. Antibodies
80. Complement
A living microbe with reduced virulence that is used for vaccination is considered:
81. A toxoid
82. Dormant
83. Virulent
84. Attenuated❌❌
❌
❌
85. Denatured
B cells that produce and release large amounts of antibody are called:
86. Memory cells
87. Basophils
Plasma cells❌
❌❌
❌
Killer cells
al Neutrophils
The specificity of an antibody is due to
el its valence
32. The heavy chains
23. The Fc portion of the molecule
04. The variable portion of the heavy and light chain❌❌❌
25. Its epitope and paratope numbers
In agglutination reactions, the antigen is a..
$
97. Soluble molecule/whole cell❌❌
❌❌
96hole cell/soluble molecule
08 Bacterium/virus
09. Protein/carbohydrates
100.Protein/Antibody
B Cells are activated by
101.Complement
102. Antibody
103.Interferon
104 Memory cells
105.Antigen ❌
❌❌
Fusion between a plasma cell and a tumor cell creates a
106.Myeloma
107.Natural killer cell
108.Lymphoblast
109.Lymphoma
110.Hybridoma ❌❌
❌❌
Monoclonal antibodies recognize a single:
111.Antigen
112.Bacterium
113.Epitope❌
❌❌
❌
114.B cell
115.Virus
Cell mediated immunity is carried out by.
carried out by..
116.B cells/T cells ❌
❌❌
117.Epitopes/Antigens
while humoral immunity is mainly
118. T cells/B cells❌
❌❌
❌
119.Antibodies/Antigens
120.Antibodies/Phagocytes
The ability of the immune system to recognize self antigens versus nonself antigen is an
example of:
121.Specific immunity
122. Tolerance
123.Cell mediated immunity❌
❌❌
124.Antigenic immunity
125. Humoral immunity
Which of the following is not involved in first line defence?
126. Mucus membranes
127. Saliva
128. Tears
129. Antibodies❌
❌❌
130. Epidermis
Natural killer cells are found in all of the following except:
131. Blood❌❌
❌
132. Thymus ❌
❌❌
133. Spleen
134. Lymph nodes
135. Red bone marrow
Wandering macrophages are phagocytes that develop from:
136. Neutrophils
137. Fixed macrophages
138. Basophils
139. Monocytes❌❌
❌
140. Eosinophils
Which is not one of the four characteristic symptoms of inflammation?
141. Redness
142. Swelling
143. Pain
144. Heat
145. Cyanosis❌❌
❌❌
Which of the following is not involved in specific immunity?
146. Neutrophil
147. T cell
148. Plasma cell
149. B cell
150. Memory cell❌
❌❌
❌❌
❌
Which of the following immunoglobulins is responsible for most allergic and hypersensitivity
reactions?
151. IgA
152. IgG
153. IgE ❌❌❌
154. IgM
155. IgD
Chemicals released from mast cells during an allergic reaction include all of the followin
except:
156. Histamine
157. Interferons❌❌
❌
158. Prostaglandins
159. Leukotrienes
160. Cytokines
The presence of IgM indicates:
161. Activation of B cells
162. A recent exposure has taken place
163. An allergic reaction is present❌❌❌
164. A reaction between mother and foetus across the placenta
165. Activation of memory cells
Auto-immunity develops due to:
166. Loss of T cells
167. Loss of plasma cells
168. Loss of complement
169. Loss of immunological tolerance
170. Loss of B cells ❌
❌❌
Artificially acquired passive immunity refers to immunity from:
171. Transfer of antibodies from mother to foetus across the placenta
172. Recognition of an antigen by B cells
173. Injection of the antigen in a vaccination❌❌❌
174. IV injection of immunoglobulins
175. Recognition of an antigen by T cells
Monocytes move from the systemic circulatory system into general connective tiss
they differentiate into what phagocytic cell type?
176. Kupffer cells in liver
177. Histiocytes in the tissue
178. Follicular dendritic cells of lymph nodes
179. Islets of Langerhans in the spleen���(not sure)
180. B cells in the blood
The ability of an organism to resist infections by the pathogens is called
181. Infection
182. Hypersensitivity
183. Immunity❌
❌❌
❌
184. Allergy
185. Hyper reactivity
All of the following compounds is found in tears?
186. Lysozyme
187. Lactoferin
188. IgA
189. IgE❌❌❌❌❌
190. IgG
Name the first cell which recruited at the place of infection.
191. Nk cells
192. Basophils
193. Neutrophils❌
❌❌
194. Macrophages
195. Lymphocytes
Which of the following is the characteristics of a good antigen.
196. Large in size
197. Foreignness
198. Highly complex
199. Reproduce only by binary fission❌
❌❌
❌
200. Small in size