There are many characteristics of children's sexual psychological development, except A.Not completely consciousB.ContinuousC.TransientD.Incomplete正确答案：Continuous

Oocyte completes the first meiotic division and forms afemale pronucleus afterthe entry of the spermatozoon into the oocyte (impregnation). A.正确B.错误正确答案：错误

Only the sperm with acrosomal reaction can fuse with the secondary oocyte A.正确B.错误正确答案：正确

Fertilization refers to the processby which male and female gametes fuse and form a new individual with genetic background of parents A.正确B.错误正确答案：正确

What are the functions of placenta during the pregnancy A.Respiration to allow oxygen and carbon dioxide exchangeB.Nutrition and excretion of nitrogenous wastesC.Defense and functioning as an efficient barrierD.synthesis of fetal blood正确答案：Respiration to allow oxygen and carbon d … 阅读详情>> "What are the functions of placenta during the pregnancy"

Which of the following symptoms may occur in first trimester A.MenopauseB.Gastrointestinal reactionsC.oliguriaD.montgomery tubercles in breast正确答案：Menopause；Gastrointestinal reactions；montgomery tubercles in breast

Factors that determine delivery includes A.force of laborB.birth canalC.fetusD.social/psychological factors正确答案：force of labor；birth canal；fetus；social/psychological factors

What is the feature ofuterine contractionsin threatened labor A.The contraction usually lasts ≥ 30 seconds , with a break of 5-6 minutesB.The contraction usually lasts ≥ 15 seconds , with a break of 3-5minutesC.The contraction usually lasts ≥ 40 seconds , with a break of 3-4 minu … 阅读详情>> "What is the feature ofuterine contractionsin threatened labor"

The second stage of laborina primiparawithout epidural anesthesia should last nomore than A.1 hourB.2 hoursC.3 hoursD.1.5 hours正确答案：3 hours

What is the definition of postterm pregnancy A.gestation that lasts ≥ 41 weeksB.gestation that lasts ≥ 40 weeksC.gestation that lasts ≥ 42 weeksD.gestation that lasts ≥ 39 weeks正确答案：gestation that lasts ≥ 42 weeks

What is the definition of full term infant A.baby born after 28~36 weeks' gestationB.baby born after 37~41+6 weeks' gestationC.baby born after 28~38 weeks' gestationD.baby born after 26~36+6 weeks' gestation正确答案：baby born after 37~41+6 weeks' gestation

Where is the location of capacitation A.uterine cavity and fallopian tubeB.the junction of isthmicand interstitial portion of fallopian tubeC.interstitial portion of fallopian tubeD.cervix正确答案：uterine cavity and fallopian tube