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Questions and Answers
What is a primary characteristic of the Fab fragment?
What is a primary characteristic of the Fab fragment?
- Contains only one heavy chain
- Has no immunogenic properties when isolated
- Can bind to an epitope (correct)
- Triggers the complement cascade
Which of the following statements about the Fc fragment is true?
Which of the following statements about the Fc fragment is true?
- It spontaneously crystallizes at 37°C
- It is critical for complement fixation (correct)
- It has no role in opsonization
- It contains both heavy and light chains only
Which structural feature is unique to the Fab region of antibodies?
Which structural feature is unique to the Fab region of antibodies?
- It is immunogenic when isolated
- It contains an antigen-binding site (correct)
- It includes a constant fragment
- It has two heavy chains
What role does an adjuvant play in immune responses?
What role does an adjuvant play in immune responses?
What is an epitope in immunology?
What is an epitope in immunology?
What type of hypersensitivity is primarily associated with IgE antibodies?
What type of hypersensitivity is primarily associated with IgE antibodies?
Which of the following disorders is most commonly associated with Type I hypersensitivity?
Which of the following disorders is most commonly associated with Type I hypersensitivity?
Which mediator is associated with Type II hypersensitivity reactions?
Which mediator is associated with Type II hypersensitivity reactions?
Type IV hypersensitivity is characterized by which of the following?
Type IV hypersensitivity is characterized by which of the following?
Which of the following is NOT a disorder associated with Type II hypersensitivity?
Which of the following is NOT a disorder associated with Type II hypersensitivity?
What mechanism is primarily involved in Type I hypersensitivity reactions?
What mechanism is primarily involved in Type I hypersensitivity reactions?
Which type of hypersensitivity is associated with complement-mediated cytotoxicity?
Which type of hypersensitivity is associated with complement-mediated cytotoxicity?
What is a common trigger for an exaggerated immune response in hypersensitivity?
What is a common trigger for an exaggerated immune response in hypersensitivity?
What is the characteristic triad related to Wiskott Aldrich Syndrome?
What is the characteristic triad related to Wiskott Aldrich Syndrome?
Which immunoglobulin is primarily responsible for the early stage of immunity?
Which immunoglobulin is primarily responsible for the early stage of immunity?
What type of immunity is conferred by vaccination with Tetanus toxoid?
What type of immunity is conferred by vaccination with Tetanus toxoid?
Which cells are primarily responsible for the humoral response in acquired immunity?
Which cells are primarily responsible for the humoral response in acquired immunity?
What is the defect in Bare Lymphocyte Syndrome?
What is the defect in Bare Lymphocyte Syndrome?
What type of hypersensitivity reaction is mediated by IgE?
What type of hypersensitivity reaction is mediated by IgE?
What component is considered a potent opsonin?
What component is considered a potent opsonin?
Which primary lymphoid organ is responsible for the maturation of T cells?
Which primary lymphoid organ is responsible for the maturation of T cells?
Which syndrome is associated with abnormal fusion of primary granules leading to impaired degranulation?
Which syndrome is associated with abnormal fusion of primary granules leading to impaired degranulation?
What is a common symptom associated with Chronic Granulomatous Disease (CGD)?
What is a common symptom associated with Chronic Granulomatous Disease (CGD)?
Which deficiency is characterized by lazy chemotaxis due to defective actin dysfunction?
Which deficiency is characterized by lazy chemotaxis due to defective actin dysfunction?
Which B-Lymphocyte deficiency accounts for more than half of all immunodeficiencies?
Which B-Lymphocyte deficiency accounts for more than half of all immunodeficiencies?
What is a key characteristic of DiGeorge Syndrome?
What is a key characteristic of DiGeorge Syndrome?
Which condition is defined by a deficiency in chemotactic response due to a lack of tuftsin?
Which condition is defined by a deficiency in chemotactic response due to a lack of tuftsin?
Which of the following deficiencies is NOT classified as a B-Lymphocyte deficiency?
Which of the following deficiencies is NOT classified as a B-Lymphocyte deficiency?
Which condition is primarily associated with an increased prevalence of allergic reactions and high IgE levels?
Which condition is primarily associated with an increased prevalence of allergic reactions and high IgE levels?
What is the main function of complement proteins in humoral immunity?
What is the main function of complement proteins in humoral immunity?
What role does lysozyme play in the immune system?
What role does lysozyme play in the immune system?
Which substance is known for its bactericidal and viricidal effects?
Which substance is known for its bactericidal and viricidal effects?
What type of proteins are interferons, and what is their primary action?
What type of proteins are interferons, and what is their primary action?
Which of the following describes the term 'acute phase reactants'?
Which of the following describes the term 'acute phase reactants'?
What is the process responsible for generating diversity in antigen receptors?
What is the process responsible for generating diversity in antigen receptors?
What type of cells are primarily involved in immune surveillance?
What type of cells are primarily involved in immune surveillance?
Which of the following is NOT a major function of interleukins in the immune system?
Which of the following is NOT a major function of interleukins in the immune system?
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