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Urticaria is characterized by permanent skin or mucosal swellings due to plasma leakage.
Urticaria is characterized by permanent skin or mucosal swellings due to plasma leakage.
False
Wheals are characteristically pruritic and pink or pale in the center.
Wheals are characteristically pruritic and pink or pale in the center.
True
Angioedema is often painful, less well-defined, and shows no color change.
Angioedema is often painful, less well-defined, and shows no color change.
True
C1 esterase inhibitor deficiency is a cause of recurrent angioedema without wheals.
C1 esterase inhibitor deficiency is a cause of recurrent angioedema without wheals.
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The diagnosis of urticaria is primarily based on physical examination.
The diagnosis of urticaria is primarily based on physical examination.
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