Nokea
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
- C. Progesterone
- D. Testosterone
Correct Answer: B
Rationale: - Estrogen: The placenta secretes estrogen during pregnancy, which plays a crucial role in maintaining the pregnancy and preparing the body for childbirth. Estrogen helps regulate the menstrual cycle, supports fetal development, and stimulates the growth of the uterus and breasts.
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The most basic information a maternity nurse should have concerning conception is that:
- A. Ova are considered fertile 48 to 72 hours after ovulation.
- B. Sperm remain viable in the woman's reproductive system for an average of 12 to 24 hours.
- C. Conception is achieved when a sperm successfully penetrates the membrane surrounding the ovum.
- D. Implantation in the endometrium occurs 6 to 10 days after conception.
Correct Answer: D
Rationale: After implantation, the endometrium is called the decidua.
Match each term with its description. Zygote
- A. None
- B. None
- C. Part of the blastocyst that will develop into the embryo.
- D. None
Correct Answer: C
Rationale: Zygote develops into the embryo.
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: A
Rationale: In a normal umbilical cord, there should be two vessels present - one artery and one vein. The most common finding is having one umbilical vein and two umbilical arteries, but it is also considered within normal limits to have one artery and one vein. This is important as an abnormal number of blood vessels in the umbilical cord can indicate potential issues like congenital abnormalities or genetic conditions.
A 36-year-old G2P0 patient has been told that she has hydramnios. She asks what might have caused this and if it will cause complications. What is the nurse’s correct response?
- A. It is a decrease in the amount of amniotic fluid that occurs as a result of a neural tube defect.
- B. It is an increase in the amount of amniotic fluid, which can compress the baby’s cord.
- C. It is an increase in amniotic fluid that can occur as a result of having diabetes mellitus.
- D. It is a decrease in the amount of amniotic fluid that can cause preterm labor.
Correct Answer: C
Rationale: Hydramnios involves increased amniotic fluid, often linked to diabetes mellitus and may compress the umbilical cord.
Identify the physician who is certified to provide the most comprehensive perinatal care.
- A. family practice
- B. obstetrician
- C. surgeon
- D. maternal-fetal medicine
Correct Answer: D
Rationale: Maternal-fetal medicine specialists provide comprehensive perinatal care. Other physicians have more limited scopes.