Podcast
Questions and Answers
What is the primary mechanism of Type 2 Hypersensitivity Reaction?
What is the primary mechanism of Type 2 Hypersensitivity Reaction?
- Release of histamine from mast cells and basophils
- Activation of T cytotoxic and T helper cells by an antigen presenting cells
- Antibody-antigen complex formation leading to complement activation (correct)
- Recognition of an antigen by T memory cells leading to macrophage activation
Which of the following is NOT an example of Type 3 Hypersensitivity Reaction?
Which of the following is NOT an example of Type 3 Hypersensitivity Reaction?
- Post streptococcal glomerulonephritis
- Contact dermatitis (correct)
- Serum sickness
- Rheumatoid arthritis
What is the primary function of T memory cells in Type 4 Hypersensitivity Reaction?
What is the primary function of T memory cells in Type 4 Hypersensitivity Reaction?
- Recognizing and binding to antigens (correct)
- Producing antibodies against antigens
- Activating macrophages and inducing tissue damage
- Releasing histamine and causing allergic reactions
Which type of hypersensitivity reaction is characterized by the formation of immune complexes?
Which type of hypersensitivity reaction is characterized by the formation of immune complexes?
What is the primary difference between Type 2 and Type 3 Hypersensitivity Reactions?
What is the primary difference between Type 2 and Type 3 Hypersensitivity Reactions?
Which of the following is an example of Type 2 Hypersensitivity Reaction?
Which of the following is an example of Type 2 Hypersensitivity Reaction?
What is autoimmunity defined as?
What is autoimmunity defined as?
What is the normal process that prevents autoimmunity?
What is the normal process that prevents autoimmunity?
Which of the following is NOT a predisposing factor for autoimmunity?
Which of the following is NOT a predisposing factor for autoimmunity?
What is the classification of autoimmune diseases based on the extent of tissue damage?
What is the classification of autoimmune diseases based on the extent of tissue damage?
Which of the following is an example of an organ-specific autoimmune disease?
Which of the following is an example of an organ-specific autoimmune disease?
What is the mechanism of tissue damage in type 1 hypersensitivity reaction?
What is the mechanism of tissue damage in type 1 hypersensitivity reaction?
Which of the following is NOT an example of a multi-system autoimmune disease?
Which of the following is NOT an example of a multi-system autoimmune disease?
What is the role of HLA type in autoimmunity?
What is the role of HLA type in autoimmunity?
What is the mechanism of tissue damage in Type II autoimmunity?
What is the mechanism of tissue damage in Type II autoimmunity?
Which of the following is a general feature of autoimmunity?
Which of the following is a general feature of autoimmunity?
What is the primary mechanism of tissue damage in Type IV autoimmunity?
What is the primary mechanism of tissue damage in Type IV autoimmunity?
Which of the following autoimmune disorders is characterized by the formation of immune complexes and activation of complement?
Which of the following autoimmune disorders is characterized by the formation of immune complexes and activation of complement?
What is the significance of a positive antinuclear antibody (ANA) test in autoimmunity?
What is the significance of a positive antinuclear antibody (ANA) test in autoimmunity?
Which of the following is a characteristic of Type I autoimmunity?
Which of the following is a characteristic of Type I autoimmunity?