InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The most important long acting antibody representing about `80%` of the antibody that is able to pass across the placenta is:A. IgDB. IgGC. IgMD. IgA |
| Answer» Correct Answer - B | |
| 52. |
Antigens may be large molecules of:A. proteinsB. carbohydratesC. lipoproteinsD. all of these |
| Answer» Correct Answer - D | |
| 53. |
Antigens are present:A. inside nucleusB. on the cell surfaceC. inside cytoplasmD. on nuclear membrane |
| Answer» Correct Answer - B | |
| 54. |
An example of innate immunity is:A. TH-cellsB. T-lymphocytesC. B-lymphocytesD. PMNL-neutrophils |
| Answer» Correct Answer - D | |
| 55. |
The opposite to innate immunity is:A. PhagocytosisB. Passive immunityC. T-cell immunityD. Acquired immunity |
| Answer» Correct Answer - D | |
| 56. |
The treatment of snake-bite by antivenine is an example ofA. specific natural immunityB. naturally acquired passive immunityC. artifically acquired active immunityD. artificially acquired passive immunity |
| Answer» Correct Answer - D | |
| 57. |
Both B-cells and T-cells of immune system are produced in:A. spleenB. thymusC. bone marrowD. Lymph nodes |
| Answer» Correct Answer - C | |
| 58. |
Which of the following is the unit of immune system?A. ParasiteB. ErythrocyteC. LymphocyteD. Chondrocyte |
| Answer» Correct Answer - C | |
| 59. |
Function of WBCs is to:A. carry nutrientsB. transport oxygenC. transport carbon dioxideD. protect body from diseases |
| Answer» Correct Answer - D | |
| 60. |
The T-lymphocytes recognize:A. peptidesB. nucleic acidC. small chemicalsD. polysaccharide |
| Answer» Correct Answer - A | |
| 61. |
The segment of antigen that are specifically recognized by individual antibody is known as:A. epitopesB. memory regionsC. non-determinantsD. self-limitation |
| Answer» Correct Answer - A | |
| 62. |
Which of the following help in body defence mechanism?A. MonocytesB. NeutrophilsC. LymphocytesD. All of the above |
| Answer» Correct Answer - D | |
| 63. |
All of the following represent non-specific mechanisms of body defence except:A. IgMB. LysozymeC. Stomach acidD. Phagocytosis |
| Answer» Correct Answer - A | |
| 64. |
Which one among the following forms the chemical barrier for infections?A. lysozymeB. IsozymeC. CoughingD. Lysosome |
| Answer» Correct Answer - A | |
| 65. |
Which one of the following statements is correct with respect to immunity?A. Performed antibodies need to be injected to treat the bite by a viper snakeB. The antibodies against small pox pathogen are produced by T-lymphocytesC. Antibodies are protein molecules, each of which has four light chainsD. Rejection of a kidney graft is the function of B-lymphocytes |
| Answer» Correct Answer - A | |
| 66. |
A person is injected with the globulin against hepatitis. This isA. naturally acquired active immunityB. naturally acquired passive immunityC. artifically acquired active immunityD. artificially acquired passive immunity |
| Answer» Correct Answer - C | |
| 67. |
Which of the following enzymes is found in the bacterio-phage?A. ProteaseB. LysozymeC. NitrogenaseD. Dehydrogenase |
| Answer» Correct Answer - B | |
| 68. |
Characters of acquired immunity areA. difference between self and non-selfB. specificality of antigenC. retains memoryD. All of the above |
| Answer» Correct Answer - D | |
| 69. |
Vaccination against small pox means the introduction into our body, ofA. antibodiesB. actual weakened germsC. leucocytes obtained from animalsD. antibodies produced in other animals |
| Answer» Correct Answer - B | |
| 70. |
During inflammation, which of the following is secreted by connective tissue?A. SerotoninB. HeparinC. HistamineD. Glucagon |
| Answer» Correct Answer - C | |
| 71. |
Aspirin is a/an:A. antisepticB. antibioticC. antipyreticD. none of these |
| Answer» Correct Answer - C | |
| 72. |
Pyrogens are secreted by:A. plantsB. pathogensC. useful bacteriaD. none of these |
| Answer» Correct Answer - B | |
| 73. |
The antibody secreted into the cavities of the body such as the gastrointestinal tract is:A. IgDB. IgAC. IgGD. IgE |
| Answer» Correct Answer - B | |
| 74. |
Allergens are:A. certain microbes which are pathogenicB. weak antibodies produced by certain substances in the bodyC. weak antigens which produce sensitive reactions in the bodyD. none of the above |
| Answer» Correct Answer - C | |
| 75. |
A kind of allergy isA. AsthmaB. mumpsC. typhoidD. yellow eyes |
| Answer» Correct Answer - A | |
| 76. |
The agents which cause allergy are known as:A. allergensB. antigensC. analgesicsD. narcotics |
| Answer» Correct Answer - A | |
| 77. |
Which of the following is an example of allergy?A. AsthmaB. UtricariaC. EczemaD. All of these |
| Answer» Correct Answer - D | |
| 78. |
Allergens areA. non-infectious and increase secretions of IgE antibodies and histaminesB. infectious and increase secretion of IgM antibodies and histaminesC. non-infectious and decrease secretion of IgG antibodiesD. infectious and increase secretion of IgE antibodies |
| Answer» Correct Answer - A | |
| 79. |
Cyclosporine is used as:A. allergic eczemaB. immunosuppressantC. prophylactic for virusesD. prophylactic for marasmus |
| Answer» Correct Answer - B | |
| 80. |
These are mainly responsible for protection against infection:A. BasophilsB. NeutrophilsC. EosinophilsD. thrombocytes |
| Answer» Correct Answer - B | |
| 81. |
Action of lysozyme is:A. anatomicalB. physiologicalC. morphologicalD. none of these |
| Answer» Correct Answer - B | |
| 82. |
Dr. Alexander Fleming observed the inhibition zone around a blue mould in a contaminated Staphylococus culture petriplate. This led to the discovery of:A. antigensB. antibioticsC. antitoxinsD. antibodies |
| Answer» Correct Answer - B | |
| 83. |
Grafting of tissue or organ between individuals of different species is calledA. autograftB. isograftC. xenograftD. allograft |
| Answer» Correct Answer - C | |
| 84. |
In hybridoma technology:A. B-cells are fused with myeloma cellsB. T-cells are fused with myeloma cellsC. B-cells are fused with T-cellsD. none of the above |
| Answer» Correct Answer - A | |
| 85. |
Injection of pooled human `gamma`-globulin may provide passive immunity to humans from hepatitis A because it contains:A. B-cellsB. AntibodiesC. Helper T-cellD. Cytotoxic T-cells |
| Answer» Correct Answer - B | |
| 86. |
An antigen is:A. result of antibodyB. residue of antibodyC. opposite to an antibodyD. stimulus for antibody formation |
| Answer» Correct Answer - D | |
| 87. |
Which substance when introduced into the human body produces antibody?A. AntigenB. AntibodyC. HistamineD. Both (b) and (c) |
| Answer» Correct Answer - A | |
| 88. |
Opsonization is carried out by:A. IgMB. IgGC. IgDD. IgA |
| Answer» Correct Answer - B | |
| 89. |
Antibodies can have all of the following effects on target cells except:A. lysisB. OpsonizationC. AgglutinationD. Neurtalization |
| Answer» Correct Answer - A | |
| 90. |
The blood involved in production of humoral immunity is:A. EosinophilB. MonocyteC. T-lymphocyteD. B-lymphocyte |
| Answer» Correct Answer - D | |
| 91. |
The humoral immunity defends mostly against viruses and bacteria in:A. skinB. digestive tractC. body fluidsD. internal organs |
| Answer» Correct Answer - C | |
| 92. |
Which of the following is related to humoral immunity?A. T-lymphocyteB. I-lymphocyteC. P-lymphocyteD. B-lymphocyte |
| Answer» Correct Answer - D | |
| 93. |
Which one is not included in the category of physiological barriers to prevent microbial growth?A. Tears from eyesB. Saliva in the mouthC. Acid in the stomachD. Virus-infected cells secrete interferons |
| Answer» Correct Answer - D | |
| 94. |
Neutrophils and monocytes are important cells participating in:A. phagocytosisB. perforin productionC. passive immunityD. antibody production |
| Answer» Correct Answer - A | |
| 95. |
Which of the following elements is important to maintain structure of immunolobulin?A. PB. SC. FeD. Ca |
| Answer» Correct Answer - B | |
| 96. |
Active immunity can be obtained from:A. AntibioticsB. blood transfusionC. live germs in injectionD. weakened germs in injection |
| Answer» Correct Answer - D | |
| 97. |
Immunity due to injection of diphtheria toxoid is an example of:A. naturally acquired active immunityB. naturally acquired passive immunityC. artifically acquired active immunityD. artificially acquired passive immunity |
| Answer» Correct Answer - C | |
| 98. |
What is the function of cytotoxic T-cells?A. They activate B-cellsB. They produce antibodiesC. They phagocytize pathogensD. They lyse virus infected cells |
| Answer» Correct Answer - D | |
| 99. |
Clonal deletion of T-cells is the:A. loss of memory B-cellsB. loss of memory T-cellsC. selection of plasma cellsD. elimination of T-cells against self |
| Answer» Correct Answer - D | |
| 100. |
On infection with bacteria our body temperature increases. This is because:A. T-cells and B-cells are more efficient at higher tempera-trueB. Bacteria survive poorly at temperature higher than `37^(@)`CC. Cellular enzymes are more efficient at higher tempera-tureD. Macrophages phagocytose better at temperature above `37^(@)`C |
| Answer» Correct Answer - B | |