ATI RN
Good Questions About the Immune System Questions
Question 1 of 5
Which of the following statements is true about TNF alpha?
Correct Answer: D
Rationale: TNF-α upregulates adhesion molecules; it increases permeability , not decreases.
Question 2 of 5
An antigen is a foreign substance that causes ___________, whereas an allergen is a foreign substance that causes _____________.
Correct Answer: D
Rationale: Antigens trigger antibody production; allergens cause hypersensitivity (e.g., histamine release).
Question 3 of 5
Which of the following is a primary function of the lymphatic system?
Correct Answer: C
Rationale: The lymphatic system maintains fluid balance and supports immune responses.
Question 4 of 5
Which lymphatic organ filters lymph and is often referred to as the 'guardian of the immune system'?
Correct Answer: B
Rationale: Tonsils filter lymph and guard against pathogens at entry points.
Question 5 of 5
How many types of antibodies are there?
Correct Answer: A
Rationale: There are five antibody types: IgG, IgA, IgM, IgE, IgD.