Nokea
What is the portion of the endometrium beneath the blastocyst known as?
- A. Decidua basalis
- B. Chorionic villi
- C. Decidua vera
- D. Decidua capsularis
Correct Answer: A
Rationale: The decidua basalis is the portion of the endometrium beneath the blastocyst.
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A father and mother are carriers of phenylketonuria (PKU). Their 2-year-old daughter has PKU. The couple tells the nurse that they are planning to have a second baby. Because their daughter has PKU, they are sure that their next baby won't be affected. What response by the nurse is most accurate?
- A. Good planning; you need to take advantage of the odds in your favor.
- B. I think you'd better check with your doctor first.
- C. You are both carriers, so each baby has a 25% chance of being affected.
- D. The ultrasound indicates a boy, and boys are not affected by PKU.
Correct Answer: C
Rationale: Each child produced by this couple has a 25% chance of being affected by PKU disorder.
What is the purpose of cell-free DNA screening done in the first trimester?
- A. to determining the gender of the fetus
- B. to check for multiple fetuses
- C. to assess the risk of chromosomal abnormalities in the fetus
- D. to measure the growth and development of the fetus
Correct Answer: C
Rationale: Cell-free DNA is used to assess the risk of chromosomal abnormalities. It does not determine gender or measure growth and development.
A pregnant woman in her first trimester is considering prenatal testing. The nurse is providing patient education regarding prenatal testing in the first trimester. What statement accurately reflects the nurse’s education?
- A. Prenatal testing in the first trimester primarily focuses on determining the gender of the fetus.
- B. Prenatal testing in the first trimester helps assess the risk of abnormalities in the fetus.
- C. Prenatal testing in the first trimester monitors the growth and development of the placenta.
- D. Prenatal testing in the first trimester is primarily performed to detect potential maternal infections.
Correct Answer: B
Rationale: Prenatal testing in the first trimester focuses on assessing the risk of fetal abnormalities, not gender, placenta, or infections.
What information would the nurse include when teaching a patient newly diagnosed with Huntington disease about having children?
- A. “Both you and your partner must carry the gene for your children to get the disease.”
- B. “The gene is found on the X chromosome. Only male children have a risk of inheriting the disease.”
- C. “You have a 50 percent chance of passing the gene on to your children.”
- D. “It occurs only when the chromosomes don’t divide correctly, causing one cell to have too many chromosomes.”
Correct Answer: C
Rationale: Huntington disease is autosomal dominant, so there is a 50% chance of passing the gene to offspring.
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.