Conception and Prenatal Development, Exams of Nursing

The key concepts and exam questions related to conception and prenatal development, as part of the foundations of maternal-newborn & women's health nursing, 7th edition. It provides an in-depth understanding of the various stages of fetal development, including the formation of the placenta, the role of amniotic fluid, and the changes that occur during the fetal period. The document also covers topics such as twin pregnancy, maternal hormones, and fetal circulation. This comprehensive resource would be valuable for nursing students preparing for exams or seeking to deepen their knowledge in the field of maternal-newborn health.

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2024/2025

Available from 10/02/2024

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Chapter 05: Conception and Prenatal
Development Foundations of Maternal-
Newborn & Women's Health Nursing, 7th
Edition Exam Que & Ans 2024
1. An expectant father asks the nurse, "Which part of the
mature sperm contains the male chromosome?" What is
the correct response by the nurse?
a.
X-bearing sperm
b.
The tail of the sperm
c.
The head of the sperm
d.
The middle portion of the sperm - correct answer
ANS: C
The head of the sperm contains the male chromosomes
that will join the chromosomes of the ovum. If an X-
bearing sperm fertilizes the ovum, the baby will be
female. The tail of the sperm helps propel the sperm
toward the ovum. The middle portion of the sperm
supplies energy for the tail's whip-like action.
DIF: Cognitive Level: Application OBJ: Nursing Process
Step: Implementation
MSC: Patient Needs: Health Promotion and Maintenance
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Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

  1. An expectant father asks the nurse, "Which part of the mature sperm contains the male chromosome?" What is the correct response by the nurse? a. X-bearing sperm b. The tail of the sperm c. The head of the sperm d. The middle portion of the sperm - correct answer ☑☑ ANS: C The head of the sperm contains the male chromosomes that will join the chromosomes of the ovum. If an X- bearing sperm fertilizes the ovum, the baby will be female. The tail of the sperm helps propel the sperm toward the ovum. The middle portion of the sperm supplies energy for the tail's whip-like action. DIF: Cognitive Level: Application OBJ: Nursing Process Step: Implementation MSC: Patient Needs: Health Promotion and Maintenance

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

  1. One of the assessments performed in the birth room is checking the umbilical cord for blood vessels. Which finding is considered to be within normal limits? a. One artery and one vein b. Two veins and one artery c. Two arteries and one vein d. Two arteries and two veins - correct answer ☑☑ ANS: C The umbilical cord contains two arteries and one vein to transport blood between the fetus and the placenta. Any option other than two arteries and one vein is considered abnormal and requires further assessment. Two veins and one artery is abnormal and may indicate an anomaly. Two arteries instead is a normal finding; this infant would require further assessment for anomalies due to the finding of two veins. DIF: Cognitive Level: Understanding OBJ: Nursing Process Step: Assessment

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

DIF: Cognitive Level: Understanding OBJ: Nursing Process Step: Assessment MSC: Patient Needs: Health Promotion and Maintenance

  1. The nurse is explaining the process of cell division during the preembryonic period to a group of nursing students. Which statement best describes the characteristics of the morula? a. Fertilized ovum before mitosis begins b. Double layer of cells that becomes the placenta c. Flattened, disk-shaped layer of cells within a fluid-filled sphere d. Solid ball composed of the first cells formed after fertilization - correct answer ☑☑ ANS: D The morula is so named because it resembles a mulberry. It is a solid ball of 12 to 16 cells that develops after fertilization. The fertilized ovum is called the zygote. The

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

placenta is formed from two layers of cells—the trophoblast, which is the other portion of the fertilized ovum, and the decidua, which is the portion of the uterus where implantation occurs. The flattened, disk-shaped layer of cells is the embryonic disk; it will develop into the body. DIF: Cognitive Level: Understanding OBJ: Nursing Process Step: Implementation MSC: Patient Needs: Health Promotion and Maintenance

  1. The upper uterus is the best place for the fertilized ovum to implant due to which anatomical adaptation? a. Maternal blood flow is lower. b. Placenta attaches most firmly. c. Uterine endometrium is softer. d. Developing baby is best nourished. - correct answer ☑☑ ANS: D

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

umbilical cord is much larger at this time than it will be at the end of pregnancy. - correct answer ☑☑ ANS: C The abdominal contents grow more rapidly than the abdominal cavity, so part of their development takes place in the umbilical cord. By 10 weeks, the abdomen is large enough to contain them. The intestines remain within the umbilical cord only until about week 10. Blood supply is adequate in all areas; intestines stay in the umbilical cord for about 10 weeks because they are growing faster than the abdomen. Intestines begin their development within the umbilical cord, but only because the liver and kidneys occupy most of the abdominal cavity, not because of the size of the umbilical cord. DIF: Cognitive Level: Understanding OBJ: Nursing Process Step: Assessment MSC: Patient Needs: Health Promotion and Maintenance

  1. A patient who is 16 weeks pregnant with her first baby asks how long it will be before she feels the baby move. Which is the nurse's best answer? a. "You should have felt the baby move by now." b.

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

"The baby is moving, but you can't feel it yet." c. "Some babies are quiet and you don't feel them move." d. "Within the next month you should start to feel fluttering sensations." - correct answer ☑☑ ANS: D Maternal perception of fetal movement (quickening) usually begins between 17 and 20 weeks after conception. Because this is her first pregnancy, movement is felt toward the later part of the 17 to 20 weeks. "The baby is moving, but you can't feel it yet" may be alarming to the woman. "Some babies are quiet and you don't feel them move" is a true statement; the fetus' movements are not strong enough to be felt until 17 to 20 weeks; however, this statement does not answer the woman's concern. Fetal movement should be felt between 17 and 20 weeks; if movement is not perceptible by the end of that time, further assessment will be necessary. DIF: Cognitive Level: Application OBJ: Nursing Process Step: Implementation MSC: Patient Needs: Health Promotion and Maintenance

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

MSC: Patient Needs: Health Promotion and Maintenance

  1. An expectant mother says to the nurse, "When my sister's baby was born, it was covered in a cheese-like coating. What is the purpose of this coating?" The correct response by the nurse is to explain that the purpose of vernix caseosa is to a. regulate fetal temperature. b. protect the fetal skin from amniotic fluid. c. promote normal peripheral nervous system development. d. allow the transport of oxygen and nutrients across the amnion. - correct answer ☑☑ ANS: B Prolonged exposure to amniotic fluid during the fetal period could result in breakdown of the skin without the protection of the vernix caseosa. The amniotic fluid aids in maintaining fetal temperature. Normal peripheral nervous system development is dependent on the nutritional intake of the mother. The amnion is the inner

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

membrane that surrounds the fetus. It is not involved in the oxygen and nutrient exchange. DIF: Cognitive Level: Application OBJ: Nursing Process Step: Implementation MSC: Patient Needs: Health Promotion and Maintenance

  1. An expectant mother, diagnosed with oligohydramnios, asks the nurse what this condition means for the baby. Which statement should the nurse provide for the patient? a. Oligohydramnios can cause poor fetal lung development. b. Oligohydramnios means that the fetus is excreting excessive urine. c. Oligohydramnios could mean that the fetus has a gastrointestinal blockage. d. Oligohydramnios is associated with fetal central nervous system abnormalities. - correct answer ☑☑ ANS: A

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

c. Dizygotic twins arise from two fertilized ova and may be the same sex or different sexes. d. Dizygotic twins arise from a single fertilized ovum and may be the same sex or different sexes. - correct answer ☑☑ ANS: C Dizygotic twins arise from two ova that are fertilized by different sperm. They may be the same or different gender, and they may not have similar physical traits. Monozygotic twins are always the same sex. A single fertilized ovum that produces twins is called monozygotic. Dizygotic twins are from two fertilized ova and may or may not be the same sex. DIF: Cognitive Level: Application OBJ: Nursing Process Step: Implementation MSC: Patient Needs: Health Promotion and Maintenance

  1. An infant is diagnosed with fetal anemia. Which information would support this clinical diagnosis? a. Presence of excess maternal hormones

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

b. Maternal blood type O-negative, Rh-negative, and infant blood type O-negative, Rh-negative c. Passive immunity d. Rh-negative mother and Rh-positive baby - correct answer ☑☑ ANS: C Passive immunity provides temporary protection to the baby based on the transfer of maternal antibodies. Maternal hormones would not lead to a clinical diagnosis of fetal anemia. These blood types and Rh factors are the same; therefore, no antibodies will be created. In this situation, an Rh-negative mother and Rh-positive baby will result in stimulation of antibodies that will stimulate a reaction leading to hemolysis. DIF: Cognitive Level: Analysis OBJ: Nursing Process Step: Assessment MSC: Patient Needs: Physiologic Integrity/Reduction of Risk Potential

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

  1. The nurse is assessing a newborn immediately after birth. After assigning the first Apgar score of 9, the nurse notes two vessels in the umbilical cord. What is the nurse's next action? a. Assess for other abnormalities of the infant. b. Note the assessment finding in the infant's chart. c. Notify the health care provider of the assessment finding. d. Call for the neonatal resuscitation team to attend the infant immediately. - correct answer ☑☑ ANS: A The normal finding in the umbilical cord is two arteries and one vein. Two vessels may indicate other fetal anomalies. Notation of the finding is the appropriate next step when the finding is expected. The health care provider will need to be notified; however, the infant is the nurse's primary concern and must be assessed for abnormalities first. The initial Apgar score is 9, indicating no signs of distress or need of resuscitation.

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

DIF: Cognitive Level: Application OBJ: Nursing Process Step: Assessment MSC: Patient Needs: Health Promotion and Maintenance

  1. A pregnant patient asks the nurse how her baby gets oxygen to breathe. What is the nurse's best response? a. "Oxygen-rich blood is delivered through the umbilical vein to the baby." b. "Take lots of deep breaths because the baby gets all of its oxygen from you." c. "You don't need to be concerned about your baby getting enough oxygen." d. "The baby's lungs are not mature enough to actually breathe, so don't worry." - correct answer ☑☑ ANS: A Oxygen-rich blood travels from the mother's circulatory system to the placenta and from the placenta to the umbilical vein (veins carry blood to the heart). From the

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

Brown fat e. Eyebrows or head hair - correct answer ☑☑ ANS: A, B Both vernix caseosa and lanugo decrease as the fetus reaches term. Port wine stain is a birthmark and, if present, will be exhibited at or shortly after birth. Brown fat in the fetus will be maintained in order to maintain core temperature. Eyebrows and head hair increase as the fetus nears term. DIF: Cognitive Level: Application OBJ: Nursing Process Step: Assessment MSC: Patient Needs: Health Promotion and Maintenance: Techniques of Physical Assessment

  1. Along with gas exchange and nutrient transfer, the placenta produces many hormones necessary for normal pregnancy, including which of the following? (Select all that apply.) a. Insulin b. Estrogen

Development Foundations of Maternal-

Newborn & Women's Health Nursing, 7th

Edition Exam Que & Ans 2024

c. Progesterone d. Testosterone e. Human chorionic gonadotropin (hCG) - correct answer ☑☑ ANS: B, C, E HCG causes the corpus luteum to persist and produce the necessary estrogens and progesterone for the first 6 to 8 weeks. Estrogens cause enlargement of the woman's uterus and breasts and growth of the ductal system in the breasts and, as term approaches, plays a role in the initiation of labor. Progesterone causes the endometrium to change, providing early nourishment. Progesterone also protects against spontaneous abortion by suppressing maternal reactions to fetal antigens and reduces unnecessary uterine contractions. Other hormones produced by the placenta include hCT, hCA, and a number of growth factors. Insulin and testosterone are not secreted by the placenta. DIF: Cognitive Level: Understanding OBJ: Nursing Process Step: Assessment MSC: Patient Needs: Health Promotion and Maintenance