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问题 单项选择题 共用题干题

某海员，30岁，以罐头食品为主，近半月来反复牙龈出血，皮下出血。

从营养角度考虑缺乏哪种营养素（）。

A.蛋白质

B.钙

C.维生素C

D.维生素K

E.维生素B1

答案

参考答案：C

单项选择题

关于脾囊肿的CT表现中哪项是错误的（）

A.脾内圆形低密度区

B.边缘光滑，密度均匀

C.CT值为0±10HU

D.增强后边界更清楚病灶明显强化

E.少数囊肿可见囊壁弧状钙化影
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单项选择题

Brian Bellow, a CFA Institute member, is a portfolio manager for Progressive Trust Company. Several friends asked Bellow to review their investment portfolios. On his own time, Bellow examined their portfolios and made several recommendations. He received no monetary compensation from his friends for his investment advice and provided no future investment counsel to them. According to CFA Institute Standards of Professional Conduct, did Bellow violate his duty to Progressive Trust（）

A. No, because Bellow provided no ongoing investment advice.

B. No, because Bellow provided investment advice to his friends.

C. Yes, because he undertook an independent practice that could result in compensation or other benefit to him.
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