首页/ 题库 / [单选题]9个月婴儿，母乳喂养，未添辅食，2个月来的答案

9个月婴儿，母乳喂养，未添辅食，2个月来进行性面色苍黄伴神经精神症状。体检：表情呆滞，手足抖动，中至重度贫血。根据病史及体检分析最符合下列哪项改变（）

单选题
2021-09-17 20:13
A、红细胞内血红蛋白合成障碍
B、红细胞破坏过度
C、血细胞内DNA合成障碍
D、红细胞内出现异常血红蛋白
E、染色体畸变
查看答案
正确答案
C
试题解析
患儿9个月，未添辅食，除贫血外还有神经精神症状，首先考虑营养性巨幼细胞性贫血，本病叶酸缺乏致四氢叶酸碱少，而四氢叶酸是DNA合成必需的辅酶。
标签： 血液及肿瘤 福建住院医师儿科 造血系统疾病 儿科住院医师
感兴趣题目
儿科（新生儿）医师坚持落实每天到爱婴区查房制度。
（）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.
（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
The （） is used for hauling in or letting out the wires or ropes.
Vessels must be（）valid certificate of nationality or certificated of registry or license.
When loading or discharging dry mud or cement，crew members should use goggles and（）.
Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.
（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.
逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。
逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。
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Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.
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试述住院医师规范化培训的培训对象、培训年限及培训内容。
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系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.
Shutdown price（or point，or rule） 停业价格（或停业点、停业原则）
翻译：With Average or With Particular Average（WA or WPA）（）
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