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Which of the following is not correctly matched with its feature?
Which of the following cells are crucial for long-term immunity by rapidly differentiating into plasma cells upon re-exposure to an antigen?
Select which statement is INCORRECT regarding antibodies:
Passing maternal antibodies to the newborn through breastfeeding is an example of which type of immunity?
A 65-year-old man with chronic obstructive pulmonary disease (COPD) is hospitalized with pneumonia. His blood tests show elevated IgG levels directed against the pathogen. What is the function of IgG in this context?
Which of the following is NOT a function of IgG antibodies?
Which of the following is a T cell-mediated hypersensitivity?
Which agent, when secreted by activated mast cells during an immediate hypersensitivity reaction, leads to increased vascular permeability?
What is the primary role of precipitation reactions involving soluble antigens and IgG or IgM antibodies?
Indirect ELISA can detect the following, except:
The immunodiffusion test is useful for:
Which of the following statements about T-dependent antigens is true?
How does clonal selection enhance the immune response during subsequent infections?
