Nokea
When can the sex of the fetus be confirmed?
- A. Conception
- B. 2 weeks
- C. 6 weeks
- D. 9 weeks
Correct Answer: D
Rationale: At 9 weeks the genitalia are well defined.
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Where does implantation of the fertilized ovum usually occur?
- A. Lower uterine wall
- B. Side of the uterus
- C. Fundus of the uterus
- D. Body of the uterus
Correct Answer: C
Rationale: Implantation usually occurs in the fundus of the uterus.
Why is the nurse concerned about a patient in her first trimester of pregnancy being exposed to German measles?
- A. The disease is capable of causing a spontaneous abortion.
- B. The disease is capable of causing birth defects.
- C. The disease is capable of causing high fever and convulsions.
- D. The disease is capable of interfering with placental implantation.
Correct Answer: B
Rationale: Rubella is a known teratogen, which can cause birth defects.
A woman tells the nurse that this is her third pregnancy. She has had twin girls at full term and one miscarriage. How does the nurse record the information?
- A. G2 T2 L3
- B. G4 T3 A1 L1
- C. G3 T3 A2 L1
- D. G3 T1 A1 L2
Correct Answer: D
Rationale: Standard obstetrical terminology is: G = gravida, T = term birth, P = preterm birth, A = abortion, L = living children.
Which is a positive sign of pregnancy?
- A. Positive pregnancy test
- B. Positive Chadwick sign
- C. Ultrasonic tracing of the fetus
- D. Positive Goodell sign
Correct Answer: C
Rationale: A positive sign of pregnancy is an ultrasonic tracing of the fetus. A positive pregnancy test, positive Chadwick sign, and positive Goodell sign are all probable signs of pregnancy.
What do the arteries in the umbilical cord carry?
- A. Nutrients to the fetus from the placenta
- B. Oxygenated blood to perfuse the placenta
- C. Antibodies from the fetus to the mother
- D. Deoxygenated blood back to the placenta
Correct Answer: D
Rationale: The arteries of the umbilical cord are unique in that they carry deoxygenated blood back to the placenta.