reactivity fail. These diseases can be organ specific or systemic. They can be
treated with immunosuppressive drugs, although this renders the individual
more susceptible to infection. Hypersensitivities are classified into four types
depending on the underlying cause. They are best treated by avoiding contact
with the immunogen to which the individual is sensitized.QUESTIONS
- Which one of the following statements isCORRECT?
a) Rheumatoid factor is only present in patients with rheumatoid
arthritis.
b) All patients with rheumatoid arthritis have rheumatoid factor.
c) Antibodies to double stranded DNA are diagnostic for SLE.
d) Graves disease is characterized by antibodies to the acetylcholine
receptor.
e) Goodpasture’s disease is a systemic disorder.- State whether the following statements are TRUE or are FALSE.
a) Bruton’s agammaglobulinemia is an autosomal recessive condition.
b) Complement deficiencies result in increased neisserial infections.
c) Deficiencies in T cells cause an increased susceptibility to viral
infections.
d) T cell deficiencies are corrected with infusions of plasma.
e) Immunodeficiency may lead to increased risk of some cancers.3) Which of the following statements isINCORRECT?a) In autoimmune disease generally, more women than men are
affected.
b) Transient hypogammaglobulinemia refers to a brief antibody
deficiency in pregnant women.
c) Deficiencies of C9 are asymptomatic.
d) The classical pathway for complement action depends on the
presence of antibodies.
e) In SCID, B lymphocyte levels may be normal or decreased.- List three ways in which the body prevents autoimmune reactions.
- Arrange the following two lists into their most appropriate pairings
Selective IgA deficiency Is due to IgEFarmer’s lung Is caused by T lymphocytesChediak Higashi disease May be asymptomaticAnaphylactic shock Affects melanocytesDelayed hypersensitivity Is caused by immune complexesX]VeiZg*/ DISORDERS OF THE IMMUNE SYSTEM
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