1) Which process produces four new cells with 23 single chromosomes? a) Meiosis b) Mitosis c) Prophase d) Fertilization 2) At what week of pregnancy do organs begin to develop? a) Weeks 3–8 b) Weeks 9–12 c) Weeks 0-5 d) Weeks 5-10 3) The zygote implants in the uterus at around how many days after fertilization? a) 14 days b) 30 days c) 15 days d) 29 days 4) At what point can a fetus typically survive outside the womb? a) After 4 months b) After 7 months c) After 5 months d) After 6 months 5) Which is a complication of low birth weight? a) Cerebral palsy b) Stronger immunity c) Faster Growth d) Enhanced Hearing 6) Which of these is a possible complication of pre-term birth? a) Faster brain development b) Breathing problems due to immature lungs c) Increased body weight d) Stronger immune system 7) Which factor causes Fetal Alcohol Syndrome (FAS)? a) Stress b) Alcohol c) Smoking d) Malnutrition 8) Smoking during pregnancy can… a) Increase oxygen to the fetus b) Restrict blood vessels to the uterus c) Improve brain development d) Strengthen heart function 9) Which of these is an environmental factor that can affect prenatal development? a) Vitamin supplements b) Mercury exposure c) Exercise d) Sleep 10) Poor maternal nutrition can… a) Improve immune system growth b) Prevent organ failure c) Improve fetal growth d) Cause serious brain damage in the fetus 11) Too much stress during pregnancy can… a) Improve child's resilience b) Strengthen fetal growth c) Cause medical problems for mother and child d) No effect 12) Which of these promotes healthy prenatal development? a) Avoiding all physical activity b) Obtaining early prenatal care c) Rapid weight lost d) Ignoring emotional well-being 13) A mother goes for her first ultrasound two weeks after conception. Doctors say the fertilized egg has just implanted in the uterus. Which prenatal stage is this? a) Fetus b) Embryo c) Placenta d) Zygote 14) A pregnant woman is told that her baby’s heart and lungs are beginning to form, and she is only 6 weeks pregnant. Which stage of prenatal development is she in? a) Embryo b) Fetus c) Placenta d) Zygote 15) A baby is born after the umbilical cord is compressed during delivery. Soon after, the baby is diagnosed with cerebral palsy. What likely caused this complication? a) Normal birth process b) High maternal nutrition c) Excessive exercise d) Oxygen deprivation 16) A woman maintains a balanced diet, avoids alcohol and drugs, and attends regular prenatal checkups. Which of the following is LEAST likely to cause harm to her baby? a) Smoking b) Alcohol use c) Moderate daily exercise d) Malnutrition 17) A child is later diagnosed with hyperactivity and speech problems. Doctors confirm the mother drank alcohol during pregnancy. What condition is most likely present? a) Fetal Alcohol Syndrome (FAS) b) Pre-term birth c) Sudden Infant Death Syndrome d) Low Birth Weight 18) A baby is born with restricted growth and potential central nervous system damage. The mother smoked throughout pregnancy. Which prenatal factor most likely caused this? a) Rest and sleep b) Walking c) Exercise d) Smoking

Prenatal Development Review

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