ATI RN
Lymphatic System Quiz Questions Questions
Question 1 of 5
Which hypersensitivity reactions are T cell-mediated?
Correct Answer: D
Rationale: Type IV is T-cell-mediated (delayed); Types I-III (A, B, C) involve antibodies.
Question 2 of 5
Immunity in which lymphocytes recognizes the antigen and micro-organisms is called as:
Correct Answer: B
Rationale: Cell-mediated immunity involves T cells recognizing antigens; not phagocytosis or humoral .
Question 3 of 5
Which of the following substances will not stimulate an immune response unless they are bound to a larger molecule?
Correct Answer: C
Rationale: Hapten is a small molecule; they can act as antigen if it binds to a larger protein molecule, unlike viruses (complete antigens) or 'Miligen' (not a real term).
Question 4 of 5
Plasma cells are a specific type of immune cells which plays major role in Antibody mediated immunity. This plasma cell secretes:
Correct Answer: A
Rationale: Plasma cells secrete antibodies matching the specificity of their parent B cell's receptor, not multiple types or antigens.
Question 5 of 5
Which of the following pairs is mismatched?
Correct Answer: D
Rationale: Helper T cells facilitate B cell differentiation, not kill infected cells (cytotoxic T cell role).