- A) Flow cytometry
- B) ELISA
- C) PCR
- D) Western blot
Nursing MCQ
Total MCQ: 281
162 What is the main role of regulatory T cells
- A) Promote inflammation
- B) Suppress immune response
- C) Produce antibodies
- D) Activate complement
163 Which condition reflects an overactive immune response to self
- A) Immunodeficiency
- B) Hypersplenism
- C) Autoimmune disease
- D) Allergy
164 What characterizes a type III hypersensitivity reaction
- A) IgE mediated
- B) Immune complex deposition
- C) T cell mediated
- D) Complement activation only
165 Which vaccine uses mRNA technology
- A) Inactivated polio
- B) MMR
- C) COVID-19 Moderna
- D) Tetanus toxoid
166 What mechanism do corticosteroids use to reduce inflammation
- A) Enhance cytokine release
- B) Inhibit phospholipase A2
- C) Increase leukotriene synthesis
- D) Stimulate prostaglandin production
167 Which immunotherapy uses monoclonal antibodies to target TNF-alpha
- A) Vaccine
- B) Checkpoint inhibitor
- C) Anti-cytokine therapy
- D) CAR T cell therapy
168 What is the main purpose of herd immunity
- A) Protects vaccinated only
- B) Reduces pathogen transmission
- C) Increases antibiotic use
- D) Promotes passive immunity
169 Which test measures cell-mediated immunity by skin reaction
- A) ELISA
- B) Western blot
- C) Tuberculin skin test
- D) Hemagglutination assay
170 Which mediator is released by cytotoxic T cells
- A) Granzyme
- B) Histamine
- C) Prostaglandin
- D) Leukotriene