A 34-year-old patient who is 16 weeks pregnant had a multiple markers screening done. The results came back with an increased risk for trisomy 21. You call the patient to go over the results. How should you respond when the patient asks you if the baby is going to have Down syndrome?
- A. Yes, would you like to continue or terminate your pregnancy?
- B. This screening predicts only the risk of your baby having Down syndrome and cannot diagnose it. Additional testing is needed to determine this.
- C. You will need to discuss this with your provider at your next appointment.
- D. Yes, this test shows your baby has Down syndrome. I’d be happy to send you resources about this condition so that you can be prepared for when your baby is born.
Correct Answer: B
Rationale: Screening tests like multiple marker tests indicate risk but do not confirm a diagnosis. Further tests are needed to determine if the baby has Down syndrome.
You may also like to solve these questions
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.
The nurse is planning a prenatal class on fetal development. Which characteristics of prenatal development should the nurse include for a fetus of 24 weeks, based on fertilization age? (Select all that apply.)
- A. Ear cartilage firm
- B. Skin wrinkled and red
- C. Testes descending toward the inguinal rings
- D. Surfactant production nears mature levels
Correct Answer: A
Rationale: A. Ear cartilage firm: By 24 weeks, the fetus's ear cartilage has developed and become firm, allowing the ears to be more defined in shape.
What hormone stimulates ovulation?
- A. None
- B. Luteinizing hormone (LH).
- C. None
- D. None
Correct Answer: B
Rationale: LH surge triggers ovulation.
What are probable signs of pregnancy? Select all that apply.
- A. amenorrhea
- B. fetal movement
- C. Goodell sign
- D. positive pregnancy test
Correct Answer: B
Rationale: Probable signs include Goodell sign, positive pregnancy test, and skin hyperpigmentation. Amenorrhea and fetal movement are subjective or definitive signs.
What patient statement indicates the need for further education about amniocentesis?
- A. “It can be used to test for neural tube defects.”
- B. “It is performed between 15 and 20 weeks’ gestation.”
- C. “It is performed using a sterile needle to withdraw a sample of amniotic fluid.”
- D. “The sample can be obtained using a transcervical approach.”
Correct Answer: D
Rationale: Amniocentesis is performed transabdominally, not transcervically, to obtain amniotic fluid.