OB Testbank
A newly married couple plans to use the natural family planning method of contraception.
Understanding how long an ovum can live after ovulation is important to them. The nurse knows that his
or her teaching was effective when the couple responds that an ovum is considered fertile for which
period of time? - correct answers6 to 8 hours
What kind of fetal anomalies are most often associated with oligohydramnios? - correct answers renal
A pregnant woman at 25 weeks of gestation tells the nurse that she dropped a pan last week and her
baby jumped at the noise. Which response by the nurse is most accurate? - correct answers Babies
respond to sound starting at approximately 24 weeks of gestation.
At a routine prenatal visit, the nurse explains the development of the fetus to her client. At
approximately ____ weeks of gestation, lecithin is forming on the alveolar surfaces, the eyelids open,
and the fetus measures approximately 27 cm crown to rump and weighs approximately 1110 g. The
client is how many weeks of gestation at todays visit? - correct answers28
Which statement regarding the structure and function of the placenta is correct? - correct answers
secretes both estrogen and progesterone
A woman in labor passes some thick meconium as her amniotic fluid ruptures. The client asks the nurse
where the baby makes the meconium. What is the correct response by the nurse? - correct answers
fetal intestines
A woman asks the nurse, What protects my babys umbilical cord from being squashed while the babys
inside of me? What is the nurses best response? - correct answers Your babys umbilical cord is
surrounded by connective tissue called Whartons jelly, which prevents compression of the blood
vessels.
Which structure is responsible for oxygen and carbon dioxide transport to and from the maternal
bloodstream? - correct answers chorionic villi
,A woman who is 8 months pregnant asks the nurse, Does my baby have any antibodies to fight
infection? What is the most appropriate response by the nurse? - correct answers Your baby has IgG and
IgM.
The measurement of lecithin in relation to sphingomyelin (lecithin/sphingomyelin [L/S] ratio) is used to
determine fetal lung maturity. Which ratio reflects fetal maturity of the lungs? - correct answers2:1
A client arrives for her initial prenatal examination. This is her first child. She asks the nurse, How does
my baby get air inside my uterus? What is the correct response by the nurse? - correct answers The
placenta provides oxygen to the baby and excretes carbon dioxide into your bloodstream.
What is the most basic information that a nurse should be able to share with a client who asks about the
process of conception? - correct answers Implantation in the endometrium occurs 6 to 10 days after
conception.
The maternity nurse is cognizant of what important structure and function of the placenta? - correct
answers As one of its early functions, the placenta acts as an endocrine gland.
Which statement regarding the development of the respiratory system is a high priority for the nurse to
understand? - correct answers Maternal hypertension can reduce maternal-placental blood flow,
accelerating lung maturity.
The various systems and organs of the fetus develop at different stages. Which statement is most
accurate? - correct answers Cardiovascular system is the first organ system to function in the developing
human.
Which statement concerning neurologic and sensory development in the fetus is correct? - correct
answers Fetuses respond to sound by 24 weeks of gestation and can be soothed by the sound of the
mothers voice.
A womans cousin gave birth to an infant with a congenital heart anomaly. The woman asks the nurse
when such anomalies occur during development. Which response by the nurse is most accurate? -
correct answers Defects occur between the third and fifth weeks of development.
,Which information regarding amniotic fluid is important for the nurse to understand? - correct answers
Amniotic fluid serves as a source of oral fluid and a repository for waste from the fetus.
An expectant couple attending childbirth classes have questions regarding multiple births since twins
run in the family. What information regarding multiple births is important for the nurse to share? -
correct answers Twinning and other multiple births are increasing because of the use of fertility drugs
and delayed childbearing.
The nurse caring for a pregnant client is evaluating his or her health teaching regarding fetal circulation.
Which statement from the client reassures the nurse that his or her teaching has been effective? -
correct answers Optimal fetal circulation is achieved when I am in the side-lying position.
Some of the embryos intestines remain within the umbilical cord during the embryonic period. What is
the rationale for this development of the gastrointestinal system? - correct answers Abdomen is too
small to contain all the organs while they are developing.
A woman is 15 weeks pregnant with her first baby. She asks how long it will be before she feels the baby
move. What is the nurses best answer? - correct answers Within the next month, you should start to
feel fluttering sensations.
A new mother asks the nurse about the white substance covering her infant. How should the nurse
explain the purpose of vernix caseosa? - correct answers Vernix caseosa protects the fetal skin from the
amniotic fluid.
A woman who is 16 weeks pregnant asks the nurse, Is it possible to tell by ultrasound if the baby is a boy
or girl yet? What is the best answer? - correct answers The baby has developed enough to enable us to
determine the sex by examining the genitals through an ultrasound scan.
Which development related to the integumentary system is correct? - correct answers Very fine hairs
called lanugo appear at 12 weeks of gestation.
The pancreas forms in the foregut during the 5th to 8th week of gestation. A client with poorly
controlled gestational diabetes asks the nurse what the effects of her condition will be on the fetus.
What is the best response by the nurse? Poorly controlled maternal gestational diabetes will: - correct
answers result in a macrocosmic fetus.
, Congenital disorders refer to those conditions that are present at birth. These disorders may be
inherited and caused by environmental factors or maternal malnutrition. Toxic exposures have the
greatest effect on development between 15 and 60 days of gestation. For the nurse to be able to
conduct a complete assessment of the newly pregnant client, he or she should be knowledgeable
regarding known human teratogens. Which substances might be considered a teratogen? - correct
answers Cytomegalovirus (CMV)
Ionizing radiation
Carbamazepine
Lead
Relating to the fetal circulatory system, which special characteristics allow the fetus to obtain sufficient
oxygen from the maternal blood? - correct answers Fetal hemoglobin (Hb) carries 20% to 30% more
oxygen than maternal Hb.
Hb concentration is 50% higher than that of the mother.
Fetal heart rate is 110 to 160 beats per minute.
Which presumptive sign or symptom of pregnancy would a client experience who is approximately 10
weeks of gestation? - correct answers amenorrhea
A client is seen at the clinic at 14 weeks of gestation for a follow-up appointment. At which level does
the nurse expect to palpate the fundus? - correct answers slightly above the symphysis pubis
The musculoskeletal system adapts to the changes that occur throughout the pregnancy. Which
musculoskeletal alteration should the client expect? - correct answers she will have increased lordosis
A 31-year-old woman believes that she may be pregnant. She took an over-the-counter (OTC) pregnancy
test 1 week ago after missing her period; the test was positive. During her assessment interview, the
nurse inquires about the womans last menstrual period and asks whether she is taking any medications.
The client states that she takes medicine for epilepsy. She has been under considerable stress lately at
work and has not been sleeping well. Her physical examination does not indicate that she is pregnant.
A newly married couple plans to use the natural family planning method of contraception.
Understanding how long an ovum can live after ovulation is important to them. The nurse knows that his
or her teaching was effective when the couple responds that an ovum is considered fertile for which
period of time? - correct answers6 to 8 hours
What kind of fetal anomalies are most often associated with oligohydramnios? - correct answers renal
A pregnant woman at 25 weeks of gestation tells the nurse that she dropped a pan last week and her
baby jumped at the noise. Which response by the nurse is most accurate? - correct answers Babies
respond to sound starting at approximately 24 weeks of gestation.
At a routine prenatal visit, the nurse explains the development of the fetus to her client. At
approximately ____ weeks of gestation, lecithin is forming on the alveolar surfaces, the eyelids open,
and the fetus measures approximately 27 cm crown to rump and weighs approximately 1110 g. The
client is how many weeks of gestation at todays visit? - correct answers28
Which statement regarding the structure and function of the placenta is correct? - correct answers
secretes both estrogen and progesterone
A woman in labor passes some thick meconium as her amniotic fluid ruptures. The client asks the nurse
where the baby makes the meconium. What is the correct response by the nurse? - correct answers
fetal intestines
A woman asks the nurse, What protects my babys umbilical cord from being squashed while the babys
inside of me? What is the nurses best response? - correct answers Your babys umbilical cord is
surrounded by connective tissue called Whartons jelly, which prevents compression of the blood
vessels.
Which structure is responsible for oxygen and carbon dioxide transport to and from the maternal
bloodstream? - correct answers chorionic villi
,A woman who is 8 months pregnant asks the nurse, Does my baby have any antibodies to fight
infection? What is the most appropriate response by the nurse? - correct answers Your baby has IgG and
IgM.
The measurement of lecithin in relation to sphingomyelin (lecithin/sphingomyelin [L/S] ratio) is used to
determine fetal lung maturity. Which ratio reflects fetal maturity of the lungs? - correct answers2:1
A client arrives for her initial prenatal examination. This is her first child. She asks the nurse, How does
my baby get air inside my uterus? What is the correct response by the nurse? - correct answers The
placenta provides oxygen to the baby and excretes carbon dioxide into your bloodstream.
What is the most basic information that a nurse should be able to share with a client who asks about the
process of conception? - correct answers Implantation in the endometrium occurs 6 to 10 days after
conception.
The maternity nurse is cognizant of what important structure and function of the placenta? - correct
answers As one of its early functions, the placenta acts as an endocrine gland.
Which statement regarding the development of the respiratory system is a high priority for the nurse to
understand? - correct answers Maternal hypertension can reduce maternal-placental blood flow,
accelerating lung maturity.
The various systems and organs of the fetus develop at different stages. Which statement is most
accurate? - correct answers Cardiovascular system is the first organ system to function in the developing
human.
Which statement concerning neurologic and sensory development in the fetus is correct? - correct
answers Fetuses respond to sound by 24 weeks of gestation and can be soothed by the sound of the
mothers voice.
A womans cousin gave birth to an infant with a congenital heart anomaly. The woman asks the nurse
when such anomalies occur during development. Which response by the nurse is most accurate? -
correct answers Defects occur between the third and fifth weeks of development.
,Which information regarding amniotic fluid is important for the nurse to understand? - correct answers
Amniotic fluid serves as a source of oral fluid and a repository for waste from the fetus.
An expectant couple attending childbirth classes have questions regarding multiple births since twins
run in the family. What information regarding multiple births is important for the nurse to share? -
correct answers Twinning and other multiple births are increasing because of the use of fertility drugs
and delayed childbearing.
The nurse caring for a pregnant client is evaluating his or her health teaching regarding fetal circulation.
Which statement from the client reassures the nurse that his or her teaching has been effective? -
correct answers Optimal fetal circulation is achieved when I am in the side-lying position.
Some of the embryos intestines remain within the umbilical cord during the embryonic period. What is
the rationale for this development of the gastrointestinal system? - correct answers Abdomen is too
small to contain all the organs while they are developing.
A woman is 15 weeks pregnant with her first baby. She asks how long it will be before she feels the baby
move. What is the nurses best answer? - correct answers Within the next month, you should start to
feel fluttering sensations.
A new mother asks the nurse about the white substance covering her infant. How should the nurse
explain the purpose of vernix caseosa? - correct answers Vernix caseosa protects the fetal skin from the
amniotic fluid.
A woman who is 16 weeks pregnant asks the nurse, Is it possible to tell by ultrasound if the baby is a boy
or girl yet? What is the best answer? - correct answers The baby has developed enough to enable us to
determine the sex by examining the genitals through an ultrasound scan.
Which development related to the integumentary system is correct? - correct answers Very fine hairs
called lanugo appear at 12 weeks of gestation.
The pancreas forms in the foregut during the 5th to 8th week of gestation. A client with poorly
controlled gestational diabetes asks the nurse what the effects of her condition will be on the fetus.
What is the best response by the nurse? Poorly controlled maternal gestational diabetes will: - correct
answers result in a macrocosmic fetus.
, Congenital disorders refer to those conditions that are present at birth. These disorders may be
inherited and caused by environmental factors or maternal malnutrition. Toxic exposures have the
greatest effect on development between 15 and 60 days of gestation. For the nurse to be able to
conduct a complete assessment of the newly pregnant client, he or she should be knowledgeable
regarding known human teratogens. Which substances might be considered a teratogen? - correct
answers Cytomegalovirus (CMV)
Ionizing radiation
Carbamazepine
Lead
Relating to the fetal circulatory system, which special characteristics allow the fetus to obtain sufficient
oxygen from the maternal blood? - correct answers Fetal hemoglobin (Hb) carries 20% to 30% more
oxygen than maternal Hb.
Hb concentration is 50% higher than that of the mother.
Fetal heart rate is 110 to 160 beats per minute.
Which presumptive sign or symptom of pregnancy would a client experience who is approximately 10
weeks of gestation? - correct answers amenorrhea
A client is seen at the clinic at 14 weeks of gestation for a follow-up appointment. At which level does
the nurse expect to palpate the fundus? - correct answers slightly above the symphysis pubis
The musculoskeletal system adapts to the changes that occur throughout the pregnancy. Which
musculoskeletal alteration should the client expect? - correct answers she will have increased lordosis
A 31-year-old woman believes that she may be pregnant. She took an over-the-counter (OTC) pregnancy
test 1 week ago after missing her period; the test was positive. During her assessment interview, the
nurse inquires about the womans last menstrual period and asks whether she is taking any medications.
The client states that she takes medicine for epilepsy. She has been under considerable stress lately at
work and has not been sleeping well. Her physical examination does not indicate that she is pregnant.
