Immunology - Immune disorders MCQ Questions and Answers for Practice

1. All of the following are autoimmune disorders except

1. Graves disease
2. SCID
3. Rheumatoid arthritis
4. Addisons disease

2. All of the following are immunodeficiency diseases except

1. Graves disease
2. SCID
3. DiGeorges syndrome
4. Hyper IgM syndrome

3. HIV attacks

1. T helper cells
2. T cytotoxic cells
3. B cells
4. macrophages

4. Immune disorders include

1. hypersensitivity
2. auto-immune diseases
3. immunodeficiency
4. all of these

5. In severe combined immune deficiency (SCID), the patients are deficient in

1. B cells
2. T cells
3. both a and b
4. IgA

6. Majority of auto immune diseases are

1. cell mediated
2. antibody mediated
3. macrophage mediated
4. mast cells mediated

7. Rheumatoid arthritis mostly occur in individuals carrying

1. HLA-DR4 gene (HLA-human leucocyte antigen)
2. HLA-DR1 gene
3. HLA-DR3 gene
4. all of the above

8. SCID can occur due to the absence of an enzyme

1. adenosine deaminase
2. guanosine deaminase
3. phosphorylase
4. thymidine deaminase

9. Some defects or mutations in components of innate or adaptive immunity may lead to

1. hypersensitivity
2. auto-immune diseases
3. immunodeficiency
4. tolerance

10. The inability to distinguish between self-cells and non-self-cells may lead to

1. hypersensitivity
2. auto-immune diseases
3. immunodeficiency
4. tolerance

11. The inappropriate response of immune system towards a relatively harmless antigen causing harm to the host is referred as

1. hypersensitivity
2. auto-immune diseases
3. immunodeficiency
4. tolerance

12. The major chemical messenger involved in hypersensitivity is

1. interleukines
2. lymphokines
3. hiatamines
4. interferons

13. Which of the following Ig is involved in mediating allergic reactions

1. IgG
2. IgM
3. IgE
4. IgA

14. Which of the following types of hypersensitive reactions is antibody mediated

1. Type I
2. Type II
3. Type III
4. all of these

15. Which one of the following is a cell mediated hypersensitive reaction

1. Type I
2. Type II
3. Type III
4. Type IV