患儿血清铁蛋白降低,红细胞游离原卟啉正常,未出现贫血表现为 ( )
A. 铁减少期
B. 红细胞生成缺铁期
C. 缺铁性贫血期
D. 缺铁性贫血恢复期
E. 缺铁性贫血已治愈127.1岁患儿,逐渐苍白2个月,单纯母乳喂养,肝肋下2.5cm,脾肋下0.5cm,Hb80g/L,RBC3× 1012/L,RBC中心浅染区扩大,网织RBC、PLT、WBC都正常,首先应考虑的诊断是 ( A )A.营养性缺铁性贫血 B.营养性巨幼红细胞性贫血C.营养性混合性贫血 D.再生障碍性贫血E.雅克什贫血
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8个月男孩,母乳喂养,未加辅食,生后6个月内生长发育良好,2个月来面色黄、反应呆滞。查体:面色蜡黄,嗜睡,舌震颤,心肺无异常,肝肋下3㎝,腱反射亢进,踝阵挛阳性。为确定诊断,选用的检查方法为 ( )
A. 血涂片检查
B. 骨髓穿刺检查
C. 血清铁测定
D. 血清叶酸VitB12测定
E. 红细胞寿命测定
8个月男孩,母乳喂养,未加辅食,生后6个月内生长发育良好,2个月来面色黄、反应呆滞。查体:面色蜡黄,嗜睡,舌震颤,心肺无异常,肝肋下3㎝,腱反射亢进,踝阵挛阳性。最可能的诊断为 ( )
A. 缺铁性贫血
B. 营养性巨幼红细胞性贫血
C. 混合性贫血
D. 溶血性贫血
E. 再生障碍性贫血
Use the following words to fill in the gaps in these sentences. Each blank needs one word. Some words will not be used.vehicles, expensive, well-known, regulations, jointly, global, commercial, know-how, turnover, severe, manufacture, export1 It is easy to repair a car if you have the necessary ___.2 Last year Europe suffered a really ___ winter which closed a lot of airports.3 The ___side of the business is run by Mr Brown.4 Shanghai’s streets are always packed with___ of all kinds.5 If you want to reach your target you must make a ___ of over $800,000 every year.6 Apple and Amazon are very successful___ players.
Complete this text with the correct form of words from the brackets:When the Internet connection is less than [1] ___ (perfect) people very quickly [2]___ (decide) it is the fault of the server. However, in many cases if they just made a [3]___ (decide) to install a firewall or an anti-virus program, they would have wasted so much bandwidth. Firewalls and anti-virus programs are [4]___ (create) by some very clever people. Their main [5]___ (inspire) is to provide the easiest answer to most Internet problems. Many computers are [6]___ (furniture) with such programs before they are sold. However, they take up a lot of bandwidth when running, which slows down the Internet connection.