Nokea
At what week of fetal development can the nurse expect to first hear fetal heart tones with an amplified stethoscope?
- A. 10
- B. 12
- C. 14
- D. 16
Correct Answer: D
Rationale: During week 16, the fetal heart can be heard with an amplified stethoscope.
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A woman asks the nurse about the safety of sexual intercourse during her pregnancy. Which response by the nurse is the most correct?
- A. "Sexual activity should be avoided after the first trimester."
- B. "Sexual activity should be ceased in the case of vaginal bleeding."
- C. "Sexual activity should be avoided in the second trimester."
- D. "Sexual activity should be limited to activity that does not include intercourse."
Correct Answer: B
Rationale: Sexual intercourse can be enjoyed throughout pregnancy unless it is contraindicated by other conditions. In the case of vaginal bleeding, sexual activity should cease until the cause of the bleeding is determined by the health care provider.
A patient has been diagnosed with a tubal pregnancy. What is the typical outcome of a tubal pregnancy?
- A. The patient will carry the pregnancy to term and have a cesarean delivery.
- B. The patient will have to remain in bed for the remainder of the pregnancy.
- C. The patient will spontaneously abort this ectopic pregnancy.
- D. The patient will require surgery to remove the zygote.
Correct Answer: D
Rationale: Any pregnancy where implantation occurs outside the uterine cavity is called ectopic. Tubal pregnancies usually must be resolved by surgical removal of the zygote.
What protects the fetus from most bacterial infections?
- A. The yolk sac
- B. The placental barrier
- C. The cotyledons
- D. The chorionic villa
Correct Answer: B
Rationale: The placental barrier protects the embryo/fetus from most bacteria, but not from viruses or drugs. The cotyledons are sections that make up the placenta. The chorionic villa are tiny vascular projections on the chorionic surface that help form the placenta.
Smoking by the mother can have what effect in the fetus?
- A. Hearing deficits
- B. Neuromuscular deformities
- C. Cerebral palsy
- D. Low birth weight
Correct Answer: D
Rationale: Smoking has been proven to cause slow intrauterine growth and low birth weight.
The chorion and the amnion are the two components of the ___ membrane.
Correct Answer: fetal
Rationale: The fetal membrane is composed of the chorion and the amnion.