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Questions and Answers
Which cells release reactive oxygen species and lysosomal enzymes that damage adjacent tissues when activated at sites of antibody deposition?
Which cells release reactive oxygen species and lysosomal enzymes that damage adjacent tissues when activated at sites of antibody deposition?
- Macrophages
- Erythrocytes
- Platelets
- Neutrophils (correct)
Which type of antibodies activate the complement system by the classical pathway, resulting in the production of complement by-products that recruit leukocytes and induce inflammation?
Which type of antibodies activate the complement system by the classical pathway, resulting in the production of complement by-products that recruit leukocytes and induce inflammation?
- IgG2 and IgG4
- IgM and IgA
- IgG1 and IgG3 (correct)
- IgD and IgE
Which disease is caused by autoantibodies specific for a protein required for absorption of vitamin B12, resulting in a multisystem disease due to B12 deficiency?
Which disease is caused by autoantibodies specific for a protein required for absorption of vitamin B12, resulting in a multisystem disease due to B12 deficiency?
- Hyperthyroidism
- Myasthenia gravis
- Pernicious anemia (correct)
- Graves disease
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