Scanning means to read to located general information.
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The key point in scanning is that the reader has something in his mind and he should ignore the irrelevant parts when reading.
A. 对
B. 错
请说出“47,XX,+21”所表示的病名,及其发生原因和主要临床特征?
以下是游离型Down综合征患者核型的为________。
A. 46,XY,-13,+t(13q21q)
B. 45,XY,-13,-21,+t(13q21q)
C. 47,XY,+21
D. 46,XY/47,XY,+21
E. 46,XY,-21,+t(21q21q)
具有46,XY/47,XXY核型者为_______患者
A. Klinefelter综合征
B. Down综合征
C. 猫叫样综合征
D. Turner综合征
Edward综合征