WorksheetsChapter 19
Total questions: 19
Worksheet time: 19mins
Immediately after fertilization, the united egg and sperm is called a
blastocyst.
fetus.
Zygote.
embryo.
The blastocyst is
a solid mass of 1,000 cells.
a sphere of cells surrounding a hollow center.
made up of about a dozen cells.
what covers the fertilized egg so that no more sperm can enter.
From the two-cell stage until about nine weeks after fertilization, the developing human is called a(n)
zygote.
blastocyst.
fetus.
embryo.
From the third month until birth, a developing human is called a
fetus.
zygote.
embryo.
blastocyst.
The fluid-filled bag of thin tissue that develops around the embryo soon after implantation is called the
placenta.
umbilical cord.
cervix.
amniotic sac.
A pregnant woman should
see a doctor for regular X-rays.
engage in regular physical activity.
drink alcohol in small amounts.
eat a diet rich in seafood.
Which of the following substances is an important nutrient for pregnant woman .
mercury.
herbal tea.
folic acid.
lead.
High blood pressure, swelling of the wrists and ankles and high levels of protein in the urine of a pregnant woman are signs of
gestational diabetes.
ectopic pregnancy.
miscarriage.
preeclampsia.
A miscarriage is when
a pregnant woman has high blood pressure and high levels of protein in the urine.
an embryo or fetus dies in the first 20 weeks of pregnancy.
a blastocyst implants in the Fallopian tube instead of the uterus.
a pregnant woman develops diabetes.
A medical test in which the doctor removes and tests a small piece of the developing placenta is called
chronic villus sampling.
amniocentesis.
ultrasound.
preeclampsia.
The third stage of birth involves contractions of the uterus that push out the placenta, or
afterbirth.
stillbirth.
postpartum.
premature birth.
Many changes take place in the mother and child during the first six weeks after birth, a period of adjustment known as
afterbirth period.
postpartum period.
cesarean period.
premature period.
Which situation is most likely to require delivery by cesarean section?
a baby with low birth weight
a stillbirth
a premature birth
the birth of triplets
A premature birth is when
more than one baby is delivered at the same time.
a baby is delivered through an incision in the lower abdomen.
a live baby is delivered before the 37th week of pregnancy.
a fetus dies and is expelled from the body after the 20th week of pregnancy.
Which of the following characteristics best describes a child between birth and 18 months?
plays with others, has lots of energy.
becomes less self-centered, has many interests and hobbies.
plays alongside others, learns many words.
cries for help, learns to sit, crawl, stand, and walk.
During which period of early childhood do children begin to play alongside others and learn many words?
birth to 18 months
18 months to 3 years.
3 to 6 years.
6 to 12 years.
Late Childhood is also called
pre-adolescence.
self-centeredness.
babyhood.
adolescence.
Middle childhood is defined as the period
between ages 3 and 5.
between ages 6 and 8.
between ages 9 and 12.
beyond age 12.
The moment of fertilization is also called conception.
True
False
