During which period of development is the embryo most vulnerable to teratogens causing major structural defects?
AAbout weeks 20 to 28 after conception
BAbout weeks 3 to 8 after conception
CThe first 3 days after conception
DThe last month of pregnancy
3.简单
妊娠剧吐是:
A孕早期轻度恶心和偶尔呕吐,可自行缓解
B妊娠期严重而持续的呕吐,导致脱水或体重减轻
C分娩期间的呕吐
D妊娠晚期的烧心
4.中等
A woman with epilepsy is planning a pregnancy. Which advice is most appropriate?
AAvoid folic acid because it lowers drug levels
BBreastfeeding will never be possible
CReview her medicines with her doctor before conception
DStop all antiepileptic drugs before trying to conceive
5.中等
Why is an indwelling catheter placed before a caesarean birth?
ATo collect a urine sample for culture
BTo measure the baby's fluid balance
CTo prevent postpartum haemorrhage
DTo keep the bladder empty during surgery
6.中等
A woman at 32 weeks has varicose veins in her legs. Which advice is most appropriate?
AAvoid walking until after the birth
BSit with her legs crossed to support the veins
CWear tight elastic bands around the top of the thighs
DRaise the legs when resting and avoid long standing
7.困难
A newborn is jaundiced at 12 hours of age. The mother is blood group O, Rh-positive and the baby is group A, Rh-positive with a positive direct Coombs test. What is the most likely cause?
APhysiological jaundice
BRh isoimmunisation
CABO incompatibility
DBreast milk jaundice
8.困难
A woman is 10 cm dilated with an urge to push. The fetal head is at station 0 and the tracing is normal. Which approach is supported by current practice?
AInsist she lies flat on her back and holds her breath for long periods
BAsk her to push continuously from 7 cm onwards
CLet her push with her urge in a position she prefers
DTell her not to push until the head is visible
答案
1. D · 胎头受压
2. B · About weeks 3 to 8 after conception
3. B · 妊娠期严重而持续的呕吐,导致脱水或体重减轻
4. C · Review her medicines with her doctor before conception
5. D · To keep the bladder empty during surgery
6. D · Raise the legs when resting and avoid long standing
7. C · ABO incompatibility
8. C · Let her push with her urge in a position she prefers