Nokea
The nurse notes each of the following findings in a 10-week gestation client. Which of the findings would enable the nurse to tell the client that she is positively pregnant?
- A. Fetal heart rate via Doppler.
- B. Positive pregnancy test.
- C. Positive Chadwick’s sign.
- D. Montgomery gland enlargements.
Correct Answer: A
Rationale: A fetal heart rate detected via Doppler is a positive sign of pregnancy. A positive pregnancy test, Chadwick’s sign, and Montgomery gland enlargements are probable signs but not definitive.
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A pregnant woman is scheduled to undergo chorionic villus sampling (CVS) based on genetic family history. Which medication does the nurse anticipate will be administered?
- A. Magnesium sulfate
- B. Prostaglandin suppository
- C. RhoGAM if the patient is Rh-negative
- D. Betamethasone
Correct Answer: C
Rationale: Rh-negative women undergoing CVS require RhoGAM to prevent Rh sensitization.
A patient at the obstetric office has just learned she is pregnant with dizygotic twins. What facts will the nurse include when educating this patient? (Select all that apply.)
- A. Dizygotic twins are the same sex.
- B. Dizygotic twins share a placenta.
- C. Dizygotic pregnancies tend to repeat in families.
- D. Dizygotic twins have separate chorions.
Correct Answer: C
Rationale: Dizygotic twins tend to repeat in families and have separate chorions. They can be the same sex or different sexes and have their own placenta. The incidence of dizygotic twins increases with maternal age rather than decreases.
A nurse is preparing to administer a tetanus toxoid vaccine to a postpartum person. What is the nurse's priority action before administering the vaccine?
- A. verify the person's immunization history
- B. obtain informed consent
- C. check for signs of an allergic reaction
- D. ensure proper positioning for the vaccine
Correct Answer: D
Rationale: The correct answer is D: ensure proper positioning for the vaccine. It is essential to ensure the person is in the correct position before administering the vaccine to ensure accurate and safe administration. Proper positioning helps prevent injury and ensures the vaccine is administered correctly. Verifying the person's immunization history (choice A) is important but not the priority before administering the vaccine. Informed consent (choice B) should be obtained but is not the priority action in this scenario. Checking for signs of an allergic reaction (choice C) is important but should be done after ensuring proper positioning for the vaccine.
Which analysis of maternal serum is the best predictor of chromosomal abnormalities in the fetus?
- A. Biophysical profile
- B. Multiple-marker screening
- C. Lecithin-to-sphingomyelin ratio
- D. Blood type and crossmatch of maternal and fetal serum
Correct Answer: B
Rationale: Multiple-marker screening analyzes maternal serum for abnormal levels of AFP, hCG, inhibin A, and estriol to detect chromosomal defects.
Which of the following is an appropriate intervention for a birthing person experiencing preterm labor?
- A. administer tocolytics
- B. administer antibiotics
- C. provide hydration and rest
- D. offer pain relief
Correct Answer: A
Rationale: The correct answer is A: administer tocolytics. Tocolytics help inhibit uterine contractions and can delay preterm labor, giving time for other interventions. Administering antibiotics (B) would not directly address preterm labor. Providing hydration and rest (C) may be helpful but not a direct intervention. Offering pain relief (D) does not address the underlying cause of preterm labor. Administering tocolytics is crucial in managing preterm labor to prevent premature birth and associated complications.