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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.
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During a pregnant woman’s second trimester anatomy scan, the fetus was in breech position. The patient is now 34 weeks pregnant and asks how she can tell if the baby is in the right position. What test might be ordered to determine this?
- A. a biophysical profile
- B. an ultrasound
- C. a fetoscopy
- D. a nonstress test
Correct Answer: B
Rationale: An ultrasound can determine the fetus's position. Other tests are not typically used for this purpose.
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.
A female carries one positive genetic marker for Huntington’s disease. Her partner does not have any markers for the disease. For which reason is it so important for this family to identify persons with the genetic marker?
- A. The Huntington gene is recessive
- B. All of the couple’s offspring will have the disease
- C. Symptoms do not manifest until 30 to 50 years of age
- D. The expression of the disease is varied by individual
Correct Answer: C
Rationale: Symptoms of Huntington's disease manifest later in life, making genetic identification crucial. The other choices either incorrectly describe the genetics of the disease or do not address the significance of identifying carriers.
During formation of the germ layer in the embryo, which layer gives rise to the nervous system?
- A. Ectoderm
- B. Mesoderm
- C. Endoderm
- D. Entoderm
Correct Answer: A
Rationale: The ectoderm forms the nervous system, along with the skin and sensory organs.
A woman who is 8 months pregnant asks the nurse, 'Does my baby have any antibodies to fight infection?' The most appropriate response by the nurse is:
- A. Your baby has all the immune globulins necessary: IgG, IgM, and IgA.
- B. Your baby won't receive any antibodies until he/she is born and you breastfeed him.
- C. Your baby does not have any antibodies to fight infection.
- D. Your baby has IgG and IgM.
Correct Answer: D
Rationale: During the third trimester, the fetus has IgG and IgM. Breastfeeding supplies the baby with IgA.