OB STUDY Exam Questions with
Accurate Answers
A nurse is teaching a class on fetal development to a class of high school students
and explains the primary germ layers. What are the germ layers? Select all that
apply.
a. Ectoderm
b. Endoderm
c. Mesoderm
d. Plastoderm
e. Blastoderm correct answer ANS: A, B, C
The zygote transforms its embryonic disc into three layers: the ectoderm, the
mesoderm, and the endoderm.
A pregnant woman inquires about exercising during pregnancy. In planning the
teaching for this woman, the nurse should include what information?
a. Exercise elevates the mother's temperature and improves fetal circulation.
b. Exercise increases catecholamines, which can prevent preterm labor.
c. A regular schedule of moderate exercise during pregnancy is beneficial.
d. Pregnant women should limit water intake during exercise. correct answer
ANS: C
In general, moderate exercise several times a week, from the 8th week through
delivery, is advised during pregnancy.
,A pregnant woman is experiencing nausea in the early morning. What
recommendations would the nurse offer to alleviate this symptom?
a. Eat three well-balanced meals per day and limit snacks.
b. Drink a full glass of fluid at the beginning of each meal.
c. Have crackers handy at the bedside, and eat a few before getting out of bed.
d. Eat a bland diet and avoid concentrated sweets. correct answer ANS: C
The nurse can recommend eating dry toast or crackers before getting out of bed
in the morning to alleviate nausea during pregnancy.
A pregnant woman states, "My husband hopes I will give him a boy because we
have three girls." The nurse explains that:
a. the sex chromosome of the fertilized ovum determines the gender of the child.
b. when the sperm and ovum are united, there is a 75% chance the child will be a
girl.
c. when the pH of the female reproductive tract is acidic, the child will be a girl.
d. if a sperm carrying a Y chromosome fertilizes an ovum, then a boy is produced.
correct answer ANS: D
When a Y-bearing sperm fertilizes an ovum, a male child is produced.
A woman asks the nurse about the frequency of prenatal visits. In an
uncomplicated pregnancy, the nurse would tell her that appointments are
scheduled:
a. every 3 weeks until the 6th month, then every 2 weeks until delivery.
, b. every 4 weeks until the 7th month, after which appointments will become
more frequent.
c. monthly until the 8th month.
d. every 2 to 3 weeks for the entire pregnancy. correct answer ANS: B
Monthly visits are scheduled up to 28 weeks, and then visits increase to every 2 to
3 weeks through 36 weeks. From 36 weeks until delivery, visits are weekly.
A woman missed her menstrual period 1 week ago and has come to the doctor's
office for a pregnancy test. The nurse knows that the placental hormone
measured in pregnancy tests is:
a. progesterone.
b. estrogen.
c. human chorionic gonadotropin.
d. human placental lactogen. correct answer ANS: C
Human chorionic gonadotropin is the basis for most pregnancy tests. It is
detectable in maternal blood as soon as implantation occurs, usually 7 to 9 days
after fertilization.
A woman pregnant for the first time asks the nurse, "When will I begin to feel the
baby move?" The nurse would answer:
a. "You may notice the baby moving around the 4th to 5th month."
b. "Quickening varies with every woman."
c. "You'll feel something by the end of the first trimester."
d. "The baby will be big enough for you to feel in your 8th month." correct answer
ANS: A
Accurate Answers
A nurse is teaching a class on fetal development to a class of high school students
and explains the primary germ layers. What are the germ layers? Select all that
apply.
a. Ectoderm
b. Endoderm
c. Mesoderm
d. Plastoderm
e. Blastoderm correct answer ANS: A, B, C
The zygote transforms its embryonic disc into three layers: the ectoderm, the
mesoderm, and the endoderm.
A pregnant woman inquires about exercising during pregnancy. In planning the
teaching for this woman, the nurse should include what information?
a. Exercise elevates the mother's temperature and improves fetal circulation.
b. Exercise increases catecholamines, which can prevent preterm labor.
c. A regular schedule of moderate exercise during pregnancy is beneficial.
d. Pregnant women should limit water intake during exercise. correct answer
ANS: C
In general, moderate exercise several times a week, from the 8th week through
delivery, is advised during pregnancy.
,A pregnant woman is experiencing nausea in the early morning. What
recommendations would the nurse offer to alleviate this symptom?
a. Eat three well-balanced meals per day and limit snacks.
b. Drink a full glass of fluid at the beginning of each meal.
c. Have crackers handy at the bedside, and eat a few before getting out of bed.
d. Eat a bland diet and avoid concentrated sweets. correct answer ANS: C
The nurse can recommend eating dry toast or crackers before getting out of bed
in the morning to alleviate nausea during pregnancy.
A pregnant woman states, "My husband hopes I will give him a boy because we
have three girls." The nurse explains that:
a. the sex chromosome of the fertilized ovum determines the gender of the child.
b. when the sperm and ovum are united, there is a 75% chance the child will be a
girl.
c. when the pH of the female reproductive tract is acidic, the child will be a girl.
d. if a sperm carrying a Y chromosome fertilizes an ovum, then a boy is produced.
correct answer ANS: D
When a Y-bearing sperm fertilizes an ovum, a male child is produced.
A woman asks the nurse about the frequency of prenatal visits. In an
uncomplicated pregnancy, the nurse would tell her that appointments are
scheduled:
a. every 3 weeks until the 6th month, then every 2 weeks until delivery.
, b. every 4 weeks until the 7th month, after which appointments will become
more frequent.
c. monthly until the 8th month.
d. every 2 to 3 weeks for the entire pregnancy. correct answer ANS: B
Monthly visits are scheduled up to 28 weeks, and then visits increase to every 2 to
3 weeks through 36 weeks. From 36 weeks until delivery, visits are weekly.
A woman missed her menstrual period 1 week ago and has come to the doctor's
office for a pregnancy test. The nurse knows that the placental hormone
measured in pregnancy tests is:
a. progesterone.
b. estrogen.
c. human chorionic gonadotropin.
d. human placental lactogen. correct answer ANS: C
Human chorionic gonadotropin is the basis for most pregnancy tests. It is
detectable in maternal blood as soon as implantation occurs, usually 7 to 9 days
after fertilization.
A woman pregnant for the first time asks the nurse, "When will I begin to feel the
baby move?" The nurse would answer:
a. "You may notice the baby moving around the 4th to 5th month."
b. "Quickening varies with every woman."
c. "You'll feel something by the end of the first trimester."
d. "The baby will be big enough for you to feel in your 8th month." correct answer
ANS: A
