题目内容

A35-year-oldwomanpresentstoherfamilyphysician’sofficewithfatigueofatleast3months’duration.Heronlyexplanationisthatkeepingupwithhertwin4-year-oldsreallytiresherout,andshedoesnotevenhaveenoughenergytomakenutritiousmealsforherandherhusband.VitalsignsandECGarenormal,butathirdheartsoundisheardwithauscultationandsheispale.Bloodresultsareasfollows:Hb,8g/dL;hematocrit,30%;MCV,115fL;WBC,8000/μL;platelets,200,000/μL.Adeficiencyofwhichofthefollowingsubstancescanmostlikelyaccountforthesefindings?

A. Folate
B. Glucose-6-phosphatase
C. Niacin
D. Iron

查看答案

搜索结果不匹配？点我反馈

更多问题

A67-year-oldwomanwithahistoryofvenousthromboembolismisplacedonwarfarin(Coumadin;Bristol-MyersSquibbCompany,NewYork,NYUSA)prophylactically.ThebloodconcentrationofCoumadinbecomestoohighandbleedingoccurs.Thebleedingcanbestbetreatedbytheadministrationofwhichofthefollowing?

A. Platelets
B. Thrombin
C. VitaminK
D. Fibrinogen

外源性凝血途径的始动因子是

A. FⅡ
B. FⅦ
C. FⅢ
D. FⅠ

某人的血细胞与B型血的血清凝集,而其血清与B型血的血细胞不凝集,此人的血型为

A型
B型
C. O型
D. AB型
E. RH阴性

在左心室异常扩大,功能减退时能较好评价心脏泵血功能的指标是

A. 搏出量
B. 心排血量
C. 射血分数
D. 心指数
E. 射血指数