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.
You may also like to solve these questions
The placenta allows exchange of oxygen, nutrients, and waste products between the mother and fetus by:
- A. Contact between maternal blood and fetal capillaries within the chorionic villi.
- B. Interaction of maternal and fetal pH levels within the endometrial vessels.
- C. A mixture of maternal and fetal blood within the intervillous spaces.
- D. Passive diffusion of maternal carbon dioxide and oxygen into the fetal capillaries.
Correct Answer: A
Rationale: Fetal capillaries within the chorionic villi are bathed with oxygen-rich and nutrient-rich maternal blood within the intervillous spaces.
A pregnant woman at 25 weeks' gestation tells the nurse that she dropped a pan last week and her baby jumped at the noise. Which response by the nurse is most accurate?
- A. That must have been a coincidence; babies can't respond like that.
- B. The fetus is demonstrating the aural reflex.
- C. Babies respond to sound starting at about 24 weeks of gestation.
- D. Let me know if it happens again; we need to report that to your midwife.
Correct Answer: C
Rationale: Babies respond to sound starting at about 24 weeks of gestation.
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.
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 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.