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问题 单项选择题

下列哪项对诊断急性骨髓炎最有意义()。

A．出现高热、寒战

B．X线片有骨破坏

C．X线片有反应性骨增生

D．局部脓肿分层穿刺抽出脓汁

E．白细胞在10×109/L以上

答案

参考答案：D

解析：[知识点] 急性血源性骨髓炎的临床表现

单项选择题

下面不是玉米杂种优势表现的是（）。

A、生长势强

B、抗逆性强

C、产量高

D、生育期长
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单项选择题

A mother complains to the nurse that her 4-year-old son often lies. What’s the nurse’s best response（）

A. Let the child know that he’ll be punished for lying.

B. Ask him why he isn’t telling the truth.

C. It’s probably due to his vivid imagination and creativity.

D. Acknowledge him by saying, "That’s a pretend story. "
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