单选题 The nurse assesses a client with urticaria. The nurse understands that urticaria is another name for
A. hives.
B. a toxin.
C. a tubercle.
D. a virus.

【正确答案】 A
【答案解析】Hives and urticaria are two names for the same skin lesion. A toxin is a poison. A tubercle is a tiny round nodule produced by the tuberculosis bacillus. A virus is an infectious parasite.