- A) C1q
- B) C3b
- C) C5a
- D) C9
Medical nursing MCQ: Immune system
Total MCQ: 59
12 Central tolerance in the thymus eliminates which cells
- A) Mature B cells
- B) Self-reactive T cells
- C) Natural killer cells
- D) Plasma cells
13 Humoral immunity is mediated by which of the following cells
- A) T lymphocytes
- B) Macrophages
- C) B lymphocytes
- D) Neutrophils
14 Which organ is the principal site for T cell maturation
- A) Bone marrow
- B) Spleen
- C) Thymus
- D) Lymph node
15 Which cell type matures in the thymus
- A) B lymphocyte
- B) T lymphocyte
- C) Natural killer cell
- D) Monocyte
16 Which immunoglobulin class crosses the placenta to confer passive immunity to the fetus
- A) IgA
- B) IgM
- C) IgG
- D) IgE
17 Which immunoglobulin is primarily responsible for mediating allergic (type I hypersensitivity) reactions
- A) IgA
- B) IgM
- C) IgG
- D) IgE
18 Which of the following systems protects our body against disease-causing microbes
- A) Immune system
- B) Digestive system
- C) Excretory system
- D) Respiratory system
19 World AIDS Day is observed on which date
- A) May 12th
- B) December 1st
- C) July 4th
- D) April 1st
20 What nursing intervention supports patients receiving immunosuppressants
- A) Encourage fresh flowers
- B) Monitor for signs of infection
- C) Promote raw diet
- D) Stop hand hygiene