Quiz for Immunity

Q1: Which of the following provides passive immunity to the newborn?

A. Vaccination B. Breastfeeding C. Exposure to pathogen D. Antibiotics

Q2: Which immunoglobulin is most abundant in human serum?

A. IgA B. IgD C. IgG D. IgM

Q3: Which type of immunity is induced by vaccination?

A. Natural active B. Artificial active C. Natural passive D. Artificial passive

Q4: The role of a vaccine is to:

A. Kill the pathogen B. Neutralize toxins C. Stimulate antibody production D. Provide nutrition

Q5: Which cells are primarily responsible for producing antibodies?

A. T cells B. Macrophages C. B cells D. Neutrophils

Q6: Which is an autoimmune disease?

A. Tuberculosis B. Asthma C. Rheumatoid arthritis D. Influenza

Q7: Which of these is not part of innate immunity?

A. Skin B. Tears C. Macrophages D. Antibodies

Q8: What does ELISA test detect?

A. Blood pressure B. Insulin level C. Antibodies/antigens D. RBC count

Q9: Which organ is primary site of T-cell maturation?

A. Bone marrow B. Thymus C. Spleen D. Liver

Q10: Antitoxins are examples of:

A. Active immunity B. Innate immunity C. Natural immunity D. Passive immunity

Q11: Which component of blood helps in immunity?

A. Erythrocytes B. Platelets C. Leukocytes D. Plasma proteins

Q12: Which immunoglobulin is found in mucosal secretions?

A. IgA B. IgM C. IgG D. IgE

Q13: Which of the following causes allergies?

A. IgA B. IgG C. IgM D. IgE

Q14: HIV primarily affects which cells?

A. B cells B. Helper T cells C. Macrophages D. Neutrophils

Q15: Which of these is an example of natural passive immunity?

A. Placental transfer of antibodies B. Vaccination C. Exposure to disease D. Injection of antiserum

Q16: Which vaccine is a live attenuated vaccine?

A. BCG B. Tetanus toxoid C. Hepatitis B D. Rabies

Q17: Which one is not a lymphoid organ?

A. Bone marrow B. Spleen C. Liver D. Thymus

Q18: Plasma cells are responsible for:

A. Killing pathogens B. Producing antibodies C. Phagocytosis D. Producing histamines

Q19: Which immune response involves memory cells?

A. Innate immunity B. Primary immune response C. Secondary immune response D. Passive immunity

Q20: Which protein forms the pore during complement system activation?

A. Interleukin B. Perforin C. Histamine D. Membrane attack complex