A 40 year old man presented with itching, hyperpigmentation, lichenification and scaling in the antecubital fossa, with history of similar exacerbations and remissions in the past. His father is a known asthmatic. The immunoregulatory abnormalities seen in this patient are all except?
a) Increased IgE synthesis
b) Decreased expression of CD 23
c) Impaired delayed type hypersensitivity reactions
d) Increased serum IgE
Answer
Category:
Immunology MCQs
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