Which of the following is a recombinant vaccine?
1. | BCG | 2. | OPV |
3. | Hepatitis B | 4. | MMR |
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The class of antibodies involved in allergic response is:
1. | IgA | 2. | IgG |
3. | IgE | 4. | IgM |
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Histamine in the blood is released by:
1. | Mast cells | 2. | Macrophages |
3. | Fibroblasts | 4. | Basophils |
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Rheumatoid arthritis is:
1. X – linked recessive disorder
2. Congenital disorder
3. A viral infection
4. An auto-immune disorder
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1. | Bone marrow & Spleen | 2. | Bone marrow & Thyroid |
3. | Lymph nosed & Spleen | 4. | Bone marrow & thymus |
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Secondary lymphoid organs:
1. | Are those where immature lymphocytes differentiate |
2. | Provide a site of interaction between lymphocytes and antigens |
3. | Are formed after birth |
4. | Are bone marrow and MALT |
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Which of the following is not a function of spleen?
1. | It acts as a filter of the blood by trapping blood-borne microorganisms |
2. | It acts as a large reservoir of RBCs |
3. | It filters our old RBCs |
4. | It continues to form RBCs for a few years after birth |
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What constitutes about 50% of the lymphoid tissue in the human body?
1. | Malt | 2. | Spleen |
3. | Lymph nodes | 4. | Liver |
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Small masses of lymphatic tissue found throughout the ileum region of the small intestine are called:
1. | Paneth cells | 2. | Meissener’s Plexus |
3. | Peyer’s patches | 4. | Entero-chromaffin cells |
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