What is true about dizygotic twins?

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Correct Answer: A

Rationale: The correct answer is A: Cesarean section. In this scenario, the presence of a hard round object in the uterine fundus and a soft object in the pelvis indicates a situation of breech presentation. Since the baby is presenting in a breech position, it is not safe for a vaginal delivery due to potential complications and risks involved. Therefore, a cesarean section should be anticipated to ensure a safe delivery for both the mother and the baby. Summary of other choices: B: Imminent delivery - Unlikely as the breech presentation may complicate the delivery process. C: Normal progressive labor and delivery - Inconsistent with the breech presentation findings. D: FHR to be heard below the umbilicus - FHR location does not impact the need for a cesarean section in breech presentation.

Correct Answer: A

Rationale: The correct answer is A: Spinal block. In a non-emergent cesarean section for breech presentation without fetal distress, a spinal block is preferred due to its rapid onset, reliable anesthesia for surgical procedures, and minimal risk to the fetus. Spinal block provides adequate pain relief and muscle relaxation without affecting the mother's ability to breathe and interact with the newborn immediately after delivery. Summary of other choices: B: Epidural block - Epidural block may not provide a dense enough block for a cesarean section and might require more time to administer. C: General anesthesia - General anesthesia poses more risks to both the mother and the fetus compared to regional anesthesia methods. D: Intravenous sedation - Intravenous sedation may not provide sufficient anesthesia for a cesarean section and is not the preferred method for this type of surgery.

Correct Answer: C

Rationale: The correct answer is C: Preeclampsia. Preeclampsia is a serious condition characterized by high blood pressure and protein in the urine, which can lead to complications for both the mother and baby during labor. Monitoring for signs of preeclampsia is crucial to ensure timely intervention and prevent adverse outcomes. A: Hypotension is not typically a major concern in a patient with a history of hypertension during labor. B: Precipitous delivery refers to an unusually fast labor, which can be managed but is not the most important issue to monitor for in this case. D: Increased bleeding risk may be a concern, but preeclampsia poses a more immediate threat to the patient's health and requires closer monitoring.

Correct Answer: C

Rationale: The correct answer is C: Continue to monitor contractions and fetal heart rate. At 6 cm dilated and 100% effaced, the woman is in active labor, but delivery is not imminent. Monitoring contractions and fetal heart rate is crucial to ensure the progress of labor and fetal well-being. This step allows the nurse to assess for any signs of fetal distress or labor progression. Administering pain relief medications (B) can be considered based on the woman's pain level, but it is not the immediate priority. Preparing for delivery (A) is premature at this stage. Performing a vaginal examination (D) may not be necessary unless there are concerns about fetal descent or progress of labor.