Free Immunopathology MCQs with Answers
8 Immunopathology MCQs from Pathology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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8 questions
- A. Induces cell mediated immunity
- B. Induces Humoral immunity
- C. Induces immunity by activation of cytoxic T-cells
- D. None of the aboveOrder DNA Kits
Explanation: TH2 cells secrete cytokines such as IL-4, IL-5 and IL-13, which promote B-cell activation, antibody production and eosinophil responses.
Correct answer: Induces Humoral immunity- A. Macrophages
- B. Dendritic cells
- C. Langerhan's cells
- D. NK cells (Netural killer cells)
Explanation: Dendritic cells, Langerhans cells and macrophages are professional antigen-presenting cells, whereas natural killer cells primarily kill…
Correct answer: NK cells (Netural killer cells)- A. Unable to express MHC class I proteins
- B. Exprss MHC class I proteins
- C. Express MHC class II proteins
- D. Unable to express MHC class II proteins
Explanation: NK cells preferentially attack infected or tumour cells that have lost or markedly reduced MHC class I expression, removing the normal…
Correct answer: Unable to express MHC class I proteins- A. Deficiency of complement factor
- B. Congenital thymic aplasia
- C. Inborn error of metabolism
- D. Chromosomal anomaly
Explanation: DiGeorge syndrome classically involves failure of thymic development, causing T-cell deficiency and often hypocalcaemia from parathyroid…
Correct answer: Congenital thymic aplasia- A. Wasserman reaction
- B. Mituda reaction
- C. Fernandez reaction
- D. None of the aboveConsult Online Doctors
Explanation: The Fernandez reaction is the early, delayed-type response appearing about 24–48 hours after lepromin injection.
Correct answer: Fernandez reaction- A. Foreign body reaction
- B. Humoral
- C. Cell mediated
- D. None of the above
Explanation: Tuberculosis is controlled mainly by cell-mediated immunity, especially Th1 cells activating macrophages through interferon-γ.
Correct answer: Cell mediated- A. Intermediate leprosy
- B. Tuberculoid leprosy
- C. Borderline lepromatous leprosy
- D. Lepromatous leprosy
Explanation: Virchow cells are lipid-laden foamy macrophages packed with Mycobacterium leprae, a hallmark of lepromatous leprosy.
Correct answer: Lepromatous leprosy- A. Systemic arthus reaction
- B. An anaphylactic shock
- C. A transplant immunity
- D. None of the above
Explanation: Serum sickness is a type III hypersensitivity reaction caused by circulating immune complexes, classically described as a systemic Arthus…
Correct answer: Systemic arthus reactionImmunopathology MCQs: common questions
Are these Immunopathology MCQs free?
Yes. All Immunopathology MCQs from Pathology are free on TestUstad, with unlimited attempts and no account needed. Nothing on this page is a sample or a trial.
How many Immunopathology MCQs are on this page?
There are 8 Immunopathology MCQs in the Pathology bank, shown 20 to a page with the correct answer and an explanation on each.
Does every Immunopathology MCQ have an explanation?
Yes. Each Immunopathology question shows the correct option and a written explanation of why it is correct, so a wrong answer teaches you something rather than just being marked wrong.
Can I take a timed Immunopathology test?
Yes. The practice button on this page starts a free Immunopathology test drawn from the Pathology bank. It marks each answer instantly, gives you a score at the end, and can be retaken as many times as you like.