An expectant mother asks the nurse when her baby’s heart will begin to beat. The nurse explains that this will occur at which time?
- A. The 8th gestational week
- B. The 4th gestational week
- C. The 12th gestational week
- D. The 16th gestational week
Correct Answer: B
Rationale: The heart begins to beat by the 4th gestational week.
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During pregnancy, which structure secretes hormones until the placenta takes over?
- A. Decidua basalis
- B. Chorionic villi
- C. Corpus luteum
- D. Syncytiotrophoblast
Correct Answer: C
Rationale: The corpus luteum produces hormones until the placenta takes over.
An infertile couple voices concern to the nurse about assisted reproductive technologies (ART). The nurse agrees that ART has created numerous dilemmas. Which potential questions does the nurse discuss with the couple? Select all that apply.
- A. Which partner has ownership of the embryos?
- B. Should a child be told about donors or surrogates?
- C. Are there parental rights for sperm donors?
- D. Does a fertility donor have financial obligations?
Correct Answer: D
Rationale: Ownership of embryos, informing children about donors, parental rights, and the fate of surplus embryos are all dilemmas associated with ART. Financial obligations of fertility donors may vary and are not commonly emphasized in counseling.
What occurs in the intervillous space in the developing placenta?
- A. None
- B. Oxygen and nutrients perfuse across the chorion villi to enter fetal circulation.
- C. None
- D. None
Correct Answer: B
Rationale: This is the primary function of the intervillous space.
What keeps the endometrium from shedding if conception occurs?
- A. The anterior pituitary temporarily stops producing luteinizing hormone (LH) and follicle stimulating hormone (FSH).
- B. Human chorionic gonadotropin maintains the corpus luteum, keeping estrogen and progesterone levels high.
- C. None
- D. None
Correct Answer: B
Rationale: hCG maintains the corpus luteum which prevents endometrial shedding.
The nurse is reviewing the hormonal blood work from a patient who is tracking their cycle to try to conceive this month. The patient’s estradiol and progesterone levels are low. What statement would the nurse include in the patient teaching?
- A. “You have already ovulated this month. Let us know if you are not pregnant, and we will try again next month.”
- B. “You should have intercourse tonight and tomorrow. This is the best time to try to conceive.”
- C. “You are at the very beginning of your cycle and will be getting your period very soon.”
- D. “We can’t tell where you are in your cycle from this blood work. You may need to repeat it next week.”
Correct Answer: C
Rationale: Low estradiol and progesterone levels suggest the patient is in the early follicular phase, just before menstruation.