第6题: [单项选择]下列哪项是骨髓取材良好的标志 () A. 未见骨髓小粒和脂肪滴 B. 镜下见到浆细胞、网状细胞等 C. 骨髓有核细胞增生低下或极度低下 D. 杆状核粒细胞比例低于分叶核粒细胞 E. 以成熟粒细胞和淋巴细胞为主 参考答案:B 答案解析:骨髓取材良好的标志是外观可见骨髓小粒和少许脂肪滴,镜下可见骨髓特有细胞如巨核细胞、浆细胞、组织细胞等。
第17题: [单项选择]Which pregnancy-related physiologic change would place the client with a history of cardiac disease at the greatest risk for developing severe cardiac problems A. Decreased heart rate. B. Decreased cardiac output. C. Increased plasma volume. D. Increased blood pressur 参考答案:C 答案解析:Pregnancy increases plasma volume and expands the uterine vascular bed, possibly increasing the hear