【单选题】【消耗次数：1】
下列关于可耐受最高摄入水平(UL)的说法中,不正确的是( )
①
个体摄入量低于UL时,肯定不会发生毒副作用
②
个体摄入量高于UL时,发生毒副作用的危险性增加
③
若毒副作用与摄入总量有关,则依据食物、饮水及补充剂等所有来源的总量来制定
④
若毒副作用仅与强化食品和补充剂中的营养素含量有关,则仅根据这些来源来制定
⑤
若营养素目前无UL值,则认为这些营养素的过多摄入无潜在的危险性
参考答案：
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相关题目
【单选题】
当营养素的摄入量达到下列什么水平后,若再继续增加就可能出现毒副作用?
①
可耐受最高摄入量(UL)
②
适宜摄入量(AI)
③
平均需要量(EAR)
④
推荐摄入量(RNI)
【单选题】
中国营养学会2000年制定的膳食营养素参考摄入量(DRIs)不包括
①
平均需要量(EAR)
②
推荐的营养素供给量(RDA)
③
推荐摄入量(RNI)
④
适宜摄入量(AI)
⑤
可耐受最高摄入量(UL)
【多选题】
营养发展纲要中保障合理的营养素摄入量的总体目标哪些正确（）。
①
A.人均每日摄入能量为4300kcal，其中80%来自植物性食品，20%来自动物性食品
②
B.蛋白质77g，其中30%来自动物性食品
③
C.脂肪70g，其提供能量占总能量的25%
④
D.钙580mg，铁23mg，锌12mg
【单选题】
中国营养学会制定的《中国居民膳食营养素参考摄入量》建议无明显代谢性、消化性疾病的老年人蛋白质摄入量男性每天为（）
①
50克
②
65克
③
75克
④
85克
⑤
100克
【单选题】
中国居民膳食营养素参考摄入量(2013修订版)中对成年男女,轻体力劳动,18~49岁人群蛋白质的推荐摄入量为
①
75g/d和65g/d
②
65g/d 和55g/d
③
90g/d 和80g/d
④
80g/d和70g/d
【单选题】
下列关于适宜摄入量(AI)的说法中,不正确的是( )
①
是通过观察或实验获得的健康人群某种营养素的摄入量
②
不仅可预防营养缺乏病,也纳入了减少某些疾病风险的概念
③
AI的准确性不如RNI
④
AI可能明显低于RNI
⑤
AI值一般超过EAR
随机题目
【单选题】
<imgsrc="http://121.251.253.213/doc/a@C698C4ADC93D93531381824327A9FF44.png/download?time=636002474470581793&token=0B9B3D8B57AE0E63ECE153E923BCE509&filename=png"data-url="doc/a@C698C4ADC93D93531381824327A9FF44.png"data-preview_url_ueditor="doc/a@C698C4ADC93D93531381824327A9FF44.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@CF33E559A85423D5CAB6EDCFECDC1DC7.png/download?time=636002474556069944&token=1F73253CE0DBDE683628F12C5F4D8450&filename=png"data-url="doc/a@CF33E559A85423D5CAB6EDCFECDC1DC7.png"data-preview_url_ueditor="doc/a@CF33E559A85423D5CAB6EDCFECDC1DC7.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@60A71C811B81029FBF602DFB3E611403.png/download?time=636002474654194116&token=D3D19601DFC12A813BAA15BE2BFEF530&filename=png"data-url="doc/a@60A71C811B81029FBF602DFB3E611403.png"data-preview_url_ueditor="doc/a@60A71C811B81029FBF602DFB3E611403.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@1CC11FD18C5106A0703556B59DF43E87.png/download?time=636002474737810263&token=CC4793C07577F75B877ADA52A41C1E24&filename=png"data-url="doc/a@1CC11FD18C5106A0703556B59DF43E87.png"data-preview_url_ueditor="doc/a@1CC11FD18C5106A0703556B59DF43E87.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@147CD7754712A48704A0454D88895623.png/download?time=636002474844982451&token=3081AFA389E2249745935FD3A4A33759&filename=png"data-url="doc/a@147CD7754712A48704A0454D88895623.png"data-preview_url_ueditor="doc/a@147CD7754712A48704A0454D88895623.png"/>
【单选题】
<imgsrc="http://121.251.253.213/doc/a@2207FACE01D724A41FEAE521767FA8B6.png/download?time=636002470509734837&token=8C63F7DD30B5A8F399433B76BF18E3C9&filename=png"data-url="doc/a@2207FACE01D724A41FEAE521767FA8B6.png"data-preview_url_ueditor="doc/a@2207FACE01D724A41FEAE521767FA8B6.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@9B95A2D1B6CA4AF4BFDE04D7D52EB9D4.png/download?time=636002470637343061&token=7AA0C37EAC3963A00C317B025C2047D6&filename=png"data-url="doc/a@9B95A2D1B6CA4AF4BFDE04D7D52EB9D4.png"data-preview_url_ueditor="doc/a@9B95A2D1B6CA4AF4BFDE04D7D52EB9D4.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@675B12C6CBE318DDF85F641AB815E173.png/download?time=636002470709103187&token=B6A2AEAE2B9D81EA03BE98F45A066427&filename=png"data-url="doc/a@675B12C6CBE318DDF85F641AB815E173.png"data-preview_url_ueditor="doc/a@675B12C6CBE318DDF85F641AB815E173.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@129CE6E27A8A7965ACB2BC93ADA9B65B.png/download?time=636002470820955383&token=CD066342C24F14945A36CBDFF5AEEBAD&filename=png"data-url="doc/a@129CE6E27A8A7965ACB2BC93ADA9B65B.png"data-preview_url_ueditor="doc/a@129CE6E27A8A7965ACB2BC93ADA9B65B.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@D364096144FBDE93C84597F0FF9E6763.png/download?time=636002470907223535&token=FA7071F492DEB96139B2857A5F244CBF&filename=png"data-url="doc/a@D364096144FBDE93C84597F0FF9E6763.png"data-preview_url_ueditor="doc/a@D364096144FBDE93C84597F0FF9E6763.png"/>
【单选题】
<imgsrc="http://121.251.253.213/doc/a@C822C5255D1BFBC4EFF55E23D4FEA269.png/download?time=636002468341175028&token=CE6F6A3098A2546CA448994156A06B4F&filename=png"data-url="doc/a@C822C5255D1BFBC4EFF55E23D4FEA269.png"data-preview_url_ueditor="doc/a@C822C5255D1BFBC4EFF55E23D4FEA269.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@DBEEBE73CFA7E73C6399957FED644156.png/download?time=636002468484851280&token=43D4A78B0932FDEAAE930017B2517CAC&filename=png"data-url="doc/a@DBEEBE73CFA7E73C6399957FED644156.png"data-preview_url_ueditor="doc/a@DBEEBE73CFA7E73C6399957FED644156.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@46FC620B1AB1E78C4769EE7DEC50E108.png/download?time=636002468571743433&token=A4202C39CC5013BF42AC4A44EF5E4D77&filename=png"data-url="doc/a@46FC620B1AB1E78C4769EE7DEC50E108.png"data-preview_url_ueditor="doc/a@46FC620B1AB1E78C4769EE7DEC50E108.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@6D0DDF8D51FC73666E0CAB6BFD87EC11.png/download?time=636002468660351588&token=77DA416D90A08F2FCD792C6C4373158D&filename=png"data-url="doc/a@6D0DDF8D51FC73666E0CAB6BFD87EC11.png"data-preview_url_ueditor="doc/a@6D0DDF8D51FC73666E0CAB6BFD87EC11.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@B0F0D2D6CBE8FCD42A1FD6230EF28E9F.png/download?time=636002468776259792&token=DC997BA41CF7924924C2AFBC05991177&filename=png"data-url="doc/a@B0F0D2D6CBE8FCD42A1FD6230EF28E9F.png"data-preview_url_ueditor="doc/a@B0F0D2D6CBE8FCD42A1FD6230EF28E9F.png"/>
【单选题】
利用二元关系R的关系图求其对称闭包时，（）
①
每两个结点之间都加上两条方向相反的边
②
若两个结点间有一条单向边，则添加一条与其方向相反的边
③
每个结点上加上一个自环
④
若两个结点间没有边相连，则加上两条方向相反的边
【单选题】
<imgsrc="http://121.251.253.213/doc/a@62CCC9248E6C5CEC9ECB487FFBC2C519.png/download?time=636002476138068722&token=141D02AA787A7554363662D240011921&filename=png"data-url="doc/a@62CCC9248E6C5CEC9ECB487FFBC2C519.png"data-preview_url_ueditor="doc/a@62CCC9248E6C5CEC9ECB487FFBC2C519.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@145B3AC53465C70D90DE0185C036A490.png/download?time=636002476212168852&token=AEBC4369C96DE92EF1B20DF70052F9C3&filename=png"data-url="doc/a@145B3AC53465C70D90DE0185C036A490.png"data-preview_url_ueditor="doc/a@145B3AC53465C70D90DE0185C036A490.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@DBF4517EDFBD9FBFD42E1AEFD412897C.png/download?time=636002476292508993&token=DD1511B0D3AE73B8F5BF2C869A8F52F5&filename=png"data-url="doc/a@DBF4517EDFBD9FBFD42E1AEFD412897C.png"data-preview_url_ueditor="doc/a@DBF4517EDFBD9FBFD42E1AEFD412897C.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@FD0B6F2E4606304A52FAF334BB5BC8E9.png/download?time=636002476370665131&token=D503206A410A9A758039EA014BC6A48F&filename=png"data-url="doc/a@FD0B6F2E4606304A52FAF334BB5BC8E9.png"data-preview_url_ueditor="doc/a@FD0B6F2E4606304A52FAF334BB5BC8E9.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@1AAC94D22983B7C08A700950B6103C74.png/download?time=636002476446481264&token=7B31FF13B112C110C09DD7C42D18DC68&filename=png"data-url="doc/a@1AAC94D22983B7C08A700950B6103C74.png"data-preview_url_ueditor="doc/a@1AAC94D22983B7C08A700950B6103C74.png"/>
【单选题】
<imgsrc="http://121.251.253.213/doc/a@F4481B790DEA53F8BA784340D9E7DBD5.png/download?time=636002471591908737&token=C9861E965BE2A3F88E19FDB83A015858&filename=png"data-url="doc/a@F4481B790DEA53F8BA784340D9E7DBD5.png"data-preview_url_ueditor="doc/a@F4481B790DEA53F8BA784340D9E7DBD5.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@49AD58B83D74079A52B9BC9D580A57F0.png/download?time=636002471674588883&token=5D0CC3E9D5071B5B99D33E11198168CF&filename=png"data-url="doc/a@49AD58B83D74079A52B9BC9D580A57F0.png"data-preview_url_ueditor="doc/a@49AD58B83D74079A52B9BC9D580A57F0.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@7EFC8C78A5255FC23D2408BA7460C4B1.png/download?time=636002471771153052&token=C4DD6005C7D6AB83CC98365C90E96F7F&filename=png"data-url="doc/a@7EFC8C78A5255FC23D2408BA7460C4B1.png"data-preview_url_ueditor="doc/a@7EFC8C78A5255FC23D2408BA7460C4B1.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@08C1F1E9561C37C7D96249E0FF936B6A.png/download?time=636002471855705201&token=48F4A7689592EAC7AC51D4A9DC7C61E9&filename=png"data-url="doc/a@08C1F1E9561C37C7D96249E0FF936B6A.png"data-preview_url_ueditor="doc/a@08C1F1E9561C37C7D96249E0FF936B6A.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@33BDC224DA6CE3012ADE43A9FC77D6D6.png/download?time=636002471973797408&token=349E4644A1E20C4BDE3E18EC7BF17375&filename=png"data-url="doc/a@33BDC224DA6CE3012ADE43A9FC77D6D6.png"data-preview_url_ueditor="doc/a@33BDC224DA6CE3012ADE43A9FC77D6D6.png"/>