Chapter 3 - Prenatal Development and Birth

Match the time frame of prenatal growth with the name of the developing organism.
Time Frame:
1) conception to 2 weeks post-conception
2) 2 weeks-8 weeks, post-conception
3) 2 months post-conception to birth
Name:
A) fetus
B) embryo
C) zygote

1 = c
2 = b
3 = a

The period of prenatal development that takes place in the first 2 weeks after conception is known as the:
A) natal period
B) embryonic period
C) germination period
D) germinal period

D) germinal period

The fertilized egg is called the:
A) zygote
B) fetus
C) embryo
D) blastocyst

A) zygote

Approximately one week after conception, when differentiation of the cells begins, the group of cells is called the:
A) blastocyst
B) organogenesis
C) fetus
D) embryo

A) blastocyst

The outer layer of cells that will eventually provide nutrition and support for the embryo is called the _________.

trophoblast

Between two and eight weeks post-conception, the developing mass of cells is call a(n) ___________.

embryo

Consisting of two arteries and one vein, the _________ _______ connects the fetus to the placenta.

umbilical cord

Regarding the periods of prenatal development, which of the following statements is true?
A) The germinal and embryonic periods occur during the first trimester, and the fetal period begins during the first trimester.
B) The fetal period begins in the sec

A

Any agent that can potentially cause a birth defect or negatively alter cognitive, behavioral or physical outcomes is a _________.

teratogen

Individual nerve cells known as ____________ are involved in information processing at the cellular level in the brain.
A) axons
B) amnion
C) neurons
D) neutrons

C) neurons

Which of the following are psychoactive drugs? Check all that apply.
A) Caffeine
B) Tetracycline
C) Nicotine
D) Progestin
E) Marijuana
F) Heroin

A, C, E, & F

Mothers who drink alcohol heavily during pregnancy can cause their offspring to exhibit fetal alcohol ___________ disorders, or FASD, a cluster of abnormalities.

spectrum

AIDS is a sexually transmitted infection that is caused by HIV, which destroys the body's __________ system.

immune

One recent study revealed that the rate of stillbirth was elevated for adolescent girls and for women _____ years of age and older.

35

True or false: The exposure of fathers to certain environmental agents can affect their offspring.

True

The uterine contractions are 15 to 20 minutes apart and last up to a minute during the beginning of the:
A) second stage of the birth process
B) afterbirth stage of the birth process
C) first stage of the birth process
D) third stage of the birth process

C) first stage of the birth process

Which of the following is true of the second stage of birth? Check all that apply.
A) The cervix stretches and opens.
B) The baby's head starts to move through the cervix.
C) The baby can move from the uterus to the birth canal.
D) It lasts an average of

B & C

The placenta, umbilical cord, and other membranes are detached and expelled during the:
A) third stage of birth
B) fourth stage of birth
C) first stage of birth
D) second stage of birth

A) third stage of birth

The basic types of drugs that are used for labor are: (Check all that apply)
A) oxytocics
B) antibiotics
C) corticosteroids
D) anesthesia
E) beta-blockers
F) analgesia

A, D, & F

____________ is used to relieve pain during labor. Examples include barbiturates, tranquilizers, and narcotics.

Analgesia

The natural childbirth method attempts to reduce the mother's pain:
(Check all that apply)
A) through education
B) by administering medication
C) with relaxation techniques
D) by decreasing her fears

A, C, & D

The Lamaze method, a method similar to a natural childbirth, is also known as ___________ childbirth.

prepared

When a baby's buttocks are the first part to emerge from the vagina, the baby is in a ________ position.

breech

In a ____________ delivery, the baby is removed from the mother's uterus through an incision made in her abdomen.

cesarean

The Brazelton Neonatal Behavioral Assessment Scale is performed to assess the baby's _____________ competence.
A) neurological
B) mental
C) physiological
D) emotional

A) neurological

Which term best describes infants that are born three weeks or more before the pregnancy has reached its full term?
A) Preterm
B) Small for date
C) Terminal
D) Low-weight

A) Preterm

Small for date infants:
A) are full-term infants whose birth weight is below normal
B) may be preterm or full-term
C) weigh half as much as babies of the same gestational age

B) may be preterm or full-term

________ care is a NICU procedure that involves skin-to-skin contact in which the baby, wearing only a diaper, is held upright against the parent's bare chest.

Kangaroo

When an infant is either full term or preterm and their birth weight is below normal they are called small for gestational age or ______ for ________ infants.

small ; date

The weeks after childbirth are referred to as the ___________ period, which lasts about six weeks.

postpartum

Some women develop ____________ depression, which involves a major depressive episode that typically occurs about four weeks after delivery.

postpartum

In the period shortly after birth, a connection between the parent and the infant forms. This attachment is known as:
A) bonding
B) critical period
C) affection
D) imprinting

A) bonding

_________ is an arrangement by which the newborn stays with its mother most of the time during the hospital stay.
A) Midwifery
B) Rooming-in
C) Cohabitation
D) Unrestricted visiting

B) Rooming-in

The prenatal period that lasts about seven months in typical pregnancies, beginning two months after conception, is the __________ period.

fetal

THe life-support system that contains a clear fluid in which the developing embryo floats is known as the:
A) amnion
B) ovum
C) placenta
D) spinal fluid

A) amnion

Researchers have found the massage can do which of the following? Check all that apply.
A) Cause labor to slow or stop
B) Reduce pain during delivery
C) Harm the mother and baby if used during labor
D) Reduce prenatal depression in both parents

B & D

During the ________ month of pregnancy the mother will first feel the baby move.
A) fourth
B) third
C) fifth
D) second

A) fourth

The _______ is a life-support system that consists of blood vessels from the mother and the offspring that intertwine but do not join.

placenta

What are the contributing factors to the increase in preterm infants in the United States? Check all that apply.
A) Decreased medical management of maternal and fetal conditions.
B) Increasing numbers of births to women 35 years and older.
C) Increased su

B, C, & D

According to the U.S> surgeon general:
A) pregnant women can consume up to two glasses of wine a day
B) no alcohol should be consumed during pregnancy
C) a small amount of alcohol will not harm the baby

B

During the last ______ months of prenatal development, fatty tissues develop and the functioning of various organ systems steps up.

two

Which of the following treatments are effective in treating postpartum depression? Check all that apply.
A) Antidepressants
B) Vitamins
C) Regular exercise
D) Psychotherapy
E) Cognitive therapy
F) Drinking a small amount of wine daily

A, C, D, & E

HIV can be passed from mother to offspring in one of three ways: during gestation across the placenta, postpartum through breast feeding, and during ________ through contact with maternal blood or fluids.

birth

The ________ can result in blood-type incompatibility that can endanger the fetus.
A) O-positive factor
B) Rh factor
C) AB-negative factor
D) universal-donor factor

B) Rh factor

Prenatal exposure to marijuana has been linked to which of the following? Check all that apply.
A) Attention deficit hyperactivity disorder
B) Depressive symptoms at age 10
C) No negative outcomes
D) Marijuana use at age 14
E) Lower intelligence

D & E

The severity and type of damage to an embryo is influenced by the dose, susceptibility and ______ of exposure to a teratogen.
A) time
B) test
C) tone
D) type

A) time

Brenda has been admitted to a drug treatment center. Brenda is pregnant and has been using methamphetamines. Brenda's baby is at serious risk of ___________.
(Check all that apply).
A) quick develop of skills
B) infant mortality
C) low birth weight
D) beh

B, C, D, & F

In the germinal period, the zygote undergoes rapid _______ division.

cell

In the germinal period, the blastocyst has an inner mass of cells that will eventually develop into the:
A) zygote
B) egg
C) trophoblast
D) embryo

D) embryo

Prenatal care involves a defined schedule of visits for medical care, which includes ________ for manageable conditions and treatable diseases.
A) screening
B) coding
C) calculating
D) scaling

A) screening

Very preterm infants are those born at less than 33 weeks of gestational age, which extremely preterm infants are those born at less than _____ weeks of gestational age.

28

Which of the following issues in newborns have been linked to maternal diabetes? (Select all that apply).
A) physical defects
B) diabetes in offspring
C) low birth weight
D) issues with expressive language

A, B, & D

In 2003 in the United States, only _____ of women who delivered a baby were attended by a midwife.
A) 8%
B) 4%
C) 15%
D) 25%

A) 8%

Recent studies found that prenatal marijuana exposure was related to lower ___________ in children.

intelligence

True or false: Cognitive therapy has proven to bee especially effective in the treatment of postpartum depression.

True

Megan is pregnant and exercising on a regular basis. Megan knows exercise will help her __________. Check all that apply.
A) condition her body
B) avoid depression
C) prevent constipation
D) lessen weight-gain
E) manage brain function

A - D

The inner layer of cells, which will develop into the digestive and respiratory system, is called the __________.

endoderm

Exposure to cocaine during prenatal development has been linked to which of the following? Check all that apply.
A) A faster rate of growth at age 10
B) Impaired language development
C) Cognitive deficits
D) Impaired motor development

B, C, D

Eating fish with high levels of _______ has been identified as a risk factor for expectant mothers.

mercury

CenteringPregnancy is a ________-centered program that provides prenatal care in group settings.
A) finance
B) religion
C) ethnicity
D) relationship

D) relationship

Early close contact between mother and infant in the hospital may be of particular benefit when:
A) rooming-in is not a possibility
B) the infant is preterm
C) the mother is from disadvantaged circumstances
D) the mother is a teenager

B, C, D

Approximately 11 to 15 days after conception, ______ takes place.

implantation

Sudden infant death syndrome, preterm births and low birth weights, respiratory problems, and cardiovascular problems are more common among the offspring of mothers who _________ during pregnancy.

smoked

High maternal stress during pregnancy has been linked with higher risk of having a child with: (select all that apply)
A) emotional problems
B) language delay
C) ADHD
D) Down syndrome
E) cognitive issues

A, B< C, & E

Infants whose mothers are addicted to heroin show several _________ difficulties at birth.
A) behavioral
B) social
C) intellectual
D) cognitive

A) behavioral

A medical issue with the mother that may place a developing fetus at risk for neural tube defects would be ___________.
Check all that apply.
A) obesity
B) lung issues
C) low blood pressure
D) diabetes

A & D

_____________ is a sexually transmitted infection that is more damaging later in prenatal development and can cause problems in the central nervous system and gastrointestinal tract if present at birth.

Syphilis

In waterbirth, mothers go through labor in the water:
Check all that apply.
A) and some deliver in the water
B) but never deliver in the water
C) and some get out for delivery
D) but getting in too soon can slow labor

A, C, & D

A synthetic hormone that is used to stimulate contractions is ____________.

Oxytocin

Which of the following best describes the induction of a psychological state of altered attention and awareness, and is increasingly used during childbirth?
A) Hypnosis
B) Massage
C) Waterbirth
D) Acupuncture

A) Hypnosis

The structural effect of teratogens is greatest early in the _______ period, when organs are being formed.

embryonic

Approximately how many months after conception is the fetus about three inches long, actively moving its arms and legs and head, and exhibiting a distinguishable face, forehead, eyelid, nose and chin?
A) 1
B) 2
C) 3
D) 4

C) 3

Loss of sleep is one of the biggest concerns during the postpartum period and has been shown to affect which of the following? (Select all that apply).
A) Hormone production
B) Decision making
C) Marital conflict
D) Stress levels

B, C, & D

Jemma weighs 4 pounds at birth. She would be considered a(n) __________ infant.
A) very low birth weight
B) preterm
C) low birth weight
D) extremely low birth weight

C) low birth weight

The nutritional status of the embryo or fetus is determined by the mother's total caloric intake as well as her intake of _________, vitamins, and minerals.

proteins

The period that occurs from two to eight weeks after conception is known as the:
A) germinal period
B) fetal period
C) embryonic period
D) endoderm period

C) embryonic period

The Neonatal Intensive Care Network Neurobehavioral Scale (NNNS) is particularly good for assessing which types of infants? (Choose all that apply).
A) Average
B) Gifted
C) Preterm
D) At-risk
E) Substance-exposed

C, D, & E

Research indicates that high doses of ________ can contribute to fetal bleeding.

aspirin

Identify the benefits of infant message.
A) less depressed
B) easily excitable
C) weight loss
D) less excitable
E) weight gain
F) less agitated

A, D, E, & F

Approximately what percent of all low birth weight children are enrolled in special education programs?
A) 75%
B) 10%
C) 50%
D) 25%

C) 50%

The middle layer of the embryo, which will become the circulatory system, bones, and muscles, is called the ____________.

mesoderm

More cesarean sections are performed in ________ than in any other country in the world.
A) Mexico
B) Great Britain
C) The United States
D) Kenya

C) The United States

Which of the following are benefits of the Apgar Scale? Check all that apply.
A) It is good at assessing the newborn;s ability to respond to the stress of delivery and its new environment.
B) It identifies high-risk infants who need resuscitation.
C) It i

A & B

_____________ is the specialization of cells.

Differentiation

Organogenesis takes place primarily during the ___________ period.
A) germinal
B) fetal
C) embryonic

C) embryonic

Amy is sixteen year old expecting mother. Amy lives at poverty level with her family, nutrition is poor and she has admitted to using drugs during her pregnancy. Amy is at risk of delivering a _____ birth weight baby.

low

Typical prenatal development lasts how many weeks?
A) 35 to 40
B) 25 to 35
C) 30 to 40
D) 38 to 40

D) 38 to 40

When a pregnant woman experiences intense stress, which of the following can occur? Check all that apply.
A) Physiological changes occur to the mother but will not affect the fetus.
B) The fetus may be deprived of oxygen.
C) Premature delivery may result.

B, C, & D

During prenatal development, __________ move to specific locations in the brain and start to become connected.

neurons

The embryo's outermost layer, which will become the nervous system and brain, sensory receptors, and skin parts, is known as the:
A) blastoderm
B) endoderm
C) mesoderm
D) ectoderm

D) ectoderm

If the baby is in a breech position, the doctor will often perform a _________ delivery.

cesarean

Before the __________ moth of pregnancy, a fetus is unlikely to survive outside the womb.
A) 8th
B) 6th
C) 9th
D) 7th

B) 6th

Pollution has made many fish a risky choice for pregnant women. Which of the following may contain high levels of mercury and should be avoided?
A) Catfish
B) Salmon
C) Shark
D) Swordfish

C & D

A caregiver who provides continuous physical, emotional, and educational support for the mother before, during, and after childbirth is known as a:
A) OBGYN
B) midwife
C) doula
D) physician

C) doula

The three related conditions that pose threats to many newborns are _______ birth weight, ________ birth, and being small for _________.

low, preterm, date

________ is a B-complex vitamin that is important for normal prenatal development.
A) Folic acid
B) Iron oxide
C) Selenium
D) Phosphorus

A) Folic acid

________ is sometimes used in late first-stage labor and during delivery in order to block sensation in an area of the block or to block consciousness.
A) A tranquilizer
B) Anesthesia
C) Oxytocin
D) Relaxation

B) Anesthesia

Recent research has found if a pregnant women consumes 200 or more milligrams of caffeine a day it does NOT increase her risk of ____________.

miscarriage

A recent study showed that higher support by fathers was related to:
A) an easier time breastfeeding for the mother
B) a faster return to prepregnancy weight for the mother
C) a higher rate of postpartum depression
D) a lower rate of postpartum depression

D

The administration of ____________ has been shown to help reduce preterm births in mothers with a history of early births, those with short cervical length, and those having a single infant birth.

progestin

Specific hazards to the embryo or fetus include which of the following?
A) Radio waves
B) Toxic waste
C) Radiation
D) chemical pollutants

B, C, & D

The rate of cell differentiation intensifies, the support systems for cells form, and organs appear during which period?
A) Mesodermic
B) Germinal
C) Fetal
D) Embryonic

D) Embryonic

Newborn Amanda gets a total score of 2 on the Apgar Scale. This signals:
A) her condition is good, and she does not require emergency help
B) her condition is borderline, and she may need some medical assistance
C) she is in a state of emergency, and she

C

Approximately how many neurons do babies have when they are born?
A) 100 million
B) 10 billion
C) 100 billion
D) 5 billiob

C) 100 billion

Since the 1980s, the preterm birth rate in the United States has:
A) stayed the same
B) decreased by 16%
C) increased by 35%
D) increased by 10%

C) increased by 35%

Which of the following best describes the research findings regarding acupuncture use during childbirth?
A) There is little evidence, but it appears to be unsafe
B) There aren't many studies, but it appears to be safe and may have positive effects
C) Ther

B