- A) Regulating body temperature and blood pressure
- B) Involved in digestion and nutrient absorption
- C) Recognizing and defending against foreign invaders
- D) Excreting metabolic waste
Medical nursing MCQ: Immune system
Total MCQ: 59
22 What is the first line pharmacologic treatment for anaphylaxis
- A) Oral antihistamine
- B) Epinephrine injection
- C) Intravenous antibiotic
- D) Corticosteroid tablet
23 Which lab assay quantifies specific antibody levels in serum
- A) Flow cytometry
- B) ELISA
- C) PCR
- D) Western blot
24 What is the main role of regulatory T cells
- A) Promote inflammation
- B) Suppress immune response
- C) Produce antibodies
- D) Activate complement
25 Which condition reflects an overactive immune response to self
- A) Immunodeficiency
- B) Hypersplenism
- C) Autoimmune disease
- D) Allergy
26 What characterizes a type III hypersensitivity reaction
- A) IgE mediated
- B) Immune complex deposition
- C) T cell mediated
- D) Complement activation only
27 Which vaccine uses mRNA technology
- A) Inactivated polio
- B) MMR
- C) COVID-19 Moderna
- D) Tetanus toxoid
28 Which immunotherapy uses monoclonal antibodies to target TNF-alpha
- A) Vaccine
- B) Checkpoint inhibitor
- C) Anti-cytokine therapy
- D) CAR T cell therapy
29 What mechanism do corticosteroids use to reduce inflammation
- A) Enhance cytokine release
- B) Inhibit phospholipase A2
- C) Increase leukotriene synthesis
- D) Stimulate prostaglandin production
30 What is the main purpose of herd immunity
- A) Protects vaccinated only
- B) Reduces pathogen transmission
- C) Increases antibiotic use
- D) Promotes passive immunity