ATI RN
Questions on Immune System Questions
Question 1 of 5
Which lymphatic organ plays a role in immune system development during early childhood but tends to decrease in size and function with age?
Correct Answer: C
Rationale: The thymus shrinks after childhood, reducing its role in T cell maturation.
Question 2 of 5
Identify the lymphatic structure that contains white and red pulp, filters blood and removes worn-out red blood cells.
Correct Answer: C
Rationale: The spleen, with white/red pulp, filters blood.
Question 3 of 5
Identify the class of antibody that attacks parasitic infections.
Correct Answer: B
Rationale: IgE combats parasitic infections, e.g., worms.
Question 4 of 5
Which of the following is NOT an autoimmune disease?
Correct Answer: A
Rationale: SCID is an immunodeficiency, not autoimmune.
Question 5 of 5
B lymphocytes
Correct Answer: D
Rationale: B cells are activated by protein and non-protein antigens; T cells are more common , need T help , are humoral , and receptor is for EBV .