31.懷孕時補充葉酸(folic acid)來預防胎兒神經管缺損最好在胚胎神經管關閉之前效果較好,因此最好在以最
後月經日期(LMP)計算之妊娠週數幾週之前?
(A)6 週
(B)11 週
(C)15 週
(D)18 週
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統計: A(488), B(240), C(111), D(51), E(0) #3065116
統計: A(488), B(240), C(111), D(51), E(0) #3065116
詳解 (共 2 筆)
#6014106
Neural tube closure is completed four weeks from conception
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Preventive effect of folic acid is not effective after that period
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Takes at least 3 weeks to reach highest serum folate
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Best before getting pregnant
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