Immunology

1. The germination of tetanus spores in a wound can be inhibited by which of the following?

A. Injection of toxoid
B. Inj ofanti- toxin
C. Tissue trauma
D. Dereased oxygen supply
E. Reduced blood supply

2. Regarding immunoglobulins, all are incorrect, except

A. Immunoglobulins are secreted from T lymphocytes
B. IgM crosses the placenta
C. The molecular structure of IgG is y shaped
D. Secretion of immunoglobulins does not require response of a specific antigen
E. IgG constitutes approx. 25% of all immunoglobulin pool

3. With regards to immune system during pregnancy

A. Helper T cells are increased in number
B. Level of IgG decreases in pregnancy
C. Maternal IgG has no harmful effect on the fetus
D. Fetal IgM is derived from maternal blood
E. IgD is decreased in pregnancy

4. In which of the following disease is a live attenuated vaccine used

A. Hepatitis B
B. Influenza
C. Pneumococcus
D. Tetanus
E. Tuberculosis

5. Regarding Coombs test, which is correct

A. Detects maternal IgM on fetal cells
B. Used in investigation of thrombocytopenia
C. Positive in a baby with jaundice due to spherocytosis
D. Direct test uses anti-IgG serum
E. Direct test is used to detect antibodies in the maternal serum during pregnancy

6. About mast cells, all are true, except

A. An excess of circulating mast cells causes mastocytosis
B. Contain heparin
C. Degranulation releases lytic enzymes & inflammatory mediators from storage granules
D. Are basophilic cells involved in inflammatory response
E. Cross linkage of surface IgA molecules by antigen may cause an anaphylactic reaction

7. Which antibody is secreted in Breast milk in large numbers?

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

8. Which MHC class 1, HLA is expressed only in extra villous trophoblast?

A. HLA-A
B. HLA-B
C. HLA-C
D. HLA-F
E. HLA-G

9. What type of cell is natural killer cell?

A. Monocyte
B. Lymphocyte
C. Granulocyte
D. Eosinophil
E. Basophil

10. Tetanus toxoid vaccine is

A. Toxoided proteion
B. Live attenuated
C. Killed
D. Conjugated
E. Subunit

11. Which immunoglobulin is key to passive neonatal immunity?

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

12. Which immunity is life long?

A. Adaptive
B. Innate
C. Active
D. Natural
E. All of above

13. Regarding attenuated vaccines, which of the following is true?

A. Virulence has been artificially reduced
B. Adaptation to high temperatures is one of the methods used to produce live attenuated vaccines
C. Not used in making vaccines against viral infections
D. The inactivated form of polio vaccine is known as Salk vaccine
E. Rubella is not a live attenuated vaccine

14. Example of type 4 hypersensitivity is

A. Tuberculosis
B. Schistosomiasis
C. Actinomycosis
D. Mycoplasma
E. Trypanosomiasis

15. In women with Rheumatoid arthritis

A. Exacerbations are more common in pregnancy
B. Pregnancy alleviates the symptoms
C. Methotrexate is used for symptom control
D. The fetus is adversely affected
E. Treatment with azathioprine is contraindicated

16. Hemolytic disease of newborn ,all are wrong except

A. Is reduced if there is parental ABO incompatibility
B. Factor II,VII,IX & X are not vitamin K dependent
C. Platelet count is reduced
D. Could be due to anti-Lewis antibodies
E. Direct coombs test detects presence of free immunoglobulin in serum

Immunology

Immunology

Quiz Summary

Information

Results

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

10. Question

11. Question

12. Question

13. Question

14. Question

15. Question

16. Question