Nokea
The prenatal nurse is discussing the functions of the placenta with a pregnant person at 6 weeks’ gestation. What statement by the pregnant person indicates to the nurse the patient understands the information?
- A. The placenta filters hormones to support the pregnancy.
- B. The placenta is responsible for fetal waste disposal.
- C. The placenta prevents all viruses from harming the fetus.
- D. The placenta regulates glucose levels in the fetus.
Correct Answer: B
Rationale: The placenta facilitates waste disposal and oxygen transfer. It does not filter all viruses or regulate fetal glucose.
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A pregnant adolescent tells the nurse she is taking isotretinoin (Accutane). Which statement is correct?
- A. Isotretinoin is teratogenic and associated with major fetal malformations, so the client should stop the medication immediately.
- B. None
- C. None
- D. None
Correct Answer: A
Rationale: Isotretinoin is known to cause severe fetal abnormalities.
When should a woman start having pap smears?
- A. None
- B. At age 21.
- C. None
- D. None
Correct Answer: B
Rationale: Guidelines recommend starting pap smears at age 21.
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.
In which structure does fertilization usually occur?
- A. the ovary
- B. the uterus
- C. the fallopian tube
- D. the vagina
Correct Answer: C
Rationale: Fertilization typically occurs in the fallopian tube, where the sperm meets the ovum.
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.