Stages Before Birth
What are the three stages of development before birth?
A. Baby, Child, Adult
B. Zygote, Embryo, Fetus
C. Egg, Sperm, Baby
D. Infant, Toddler, Child
B. Zygote, Embryo, Fetus
What happens when a sperm gets inside an egg?
A. Implantation
B. Fertilization
C. Birth
D. Cell division
B. Fertilization ✅
During which stage do the main body parts begin to form?
A. Zygote
B. Embryo
C. Fetus
D. Newborn
B. Embryo ✅
Which structure acts like a helper between the mother and baby?
A. Brain
B. Placenta
C. Stomach
D. Heart
B. Placenta ✅
Which can affect a baby's growth before birth?
A. What the mother eats
B. The baby's favorite toy
C. The weather after birth
D. The child's school
A. What the mother eats ✅
About how long does prenatal development take?
A. 10 weeks
B. 20 weeks
C. 30 weeks
D. 40 weeks
D. 40 weeks
What is the new cell formed when sperm and egg join?
A. Embryo
B. Fetus
C. Zygote
D. Placenta
C. Zygote ✅
Around which week does the tiny heart begin to beat?
A. Week 1
B. Week 2
C. Week 4
D. Week 8
C. Week 4 ✅
What structure connects the baby to the placenta?
A. Amniotic sac
B. Fallopian tube
C. Umbilical cord
D. Uterus
C. Umbilical cord ✅
Which is a nutrient mentioned in the lesson?
A. Folate
B. Sugar
C. Candy
D. Soda
A. Folate ✅
Which stage lasts from weeks 1–2?
A. Fetus
B. Embryo
C. Zygote
D. Infant
C. Zygote ✅
How many chromosomes does a zygote have?
A. 23
B. 32
C. 44
D. 46
D. 46 ✅
What develops into the brain and spinal cord?
A. Placenta
B. Amniotic sac
C. A tube formed in week 3
D. Umbilical cord
C. A tube formed in week 3 ✅
What does the placenta provide to the baby?
A. Toys and clothing
B. Food and oxygen
C. Air directly from the lungs
D. Bones and muscles
B. Food and oxygen ✅
What can long-lasting high stress during pregnancy contribute to?
A. The baby being born too early or too small
B. The baby learning to walk
C. The baby growing teeth
D. The baby speaking earlier
A. The baby being born too early or too small ✅
Which stage lasts from weeks 3–8?
A. Zygote
B. Embryo
C. Fetus
D. Newborn
B. Embryo ✅
How many chromosomes come from each parent?
A. 10
B. 23
C. 32
D. 46
B. 23 ✅
By what week does the embryo have all its main body parts?
A. Week 2
B. Week 4
C. Week 6
D. Week 8
D. Week 8 ✅
What surrounds the baby and protects it from bumps?
A. Placenta
B. Umbilical cord
C. Amniotic sac and fluid
D. Fallopian tube
C. Amniotic sac and fluid ✅
Which pair includes harmful exposures mentioned in the lesson?
A. Water and milk
B. Fruits and vegetables
C. Alcohol and cigarettes
D. Exercise and sleep
C. Alcohol and cigarettes ✅
Which stage lasts from weeks 9–40?
A. Zygote
B. Embryo
C. Fetus
D. Blastocyst
C. Fetus ✅
What is implantation?
A. When the sperm enters the egg
B. When the baby is born
C. When the blastocyst attaches to the wall of the uterus
D. When the heart begins beating
C. When the blastocyst attaches to the wall of the uterus ✅
Which is something a fetus can do before birth?
A. Walk
B. Talk
C. Suck and swallow
D. Read
C. Suck and swallow ✅
Which group of structures works together to support the baby before birth?
A. Brain, heart, lungs
B. Placenta, umbilical cord, and amniotic sac
C. Eyes, ears, and nose
D. Stomach, liver, and kidneys
B. Placenta, umbilical cord, and amniotic sac ✅
Why should early childhood educators learn about prenatal development?
A. To teach babies how to read
B. To understand children's development and provide better support
C. To predict exactly what every child will do
D. To replace doctors
B. To understand children's development and provide better support ✅