Nokea
Why is precipitous labor most often seen in multiparous women?
- A. The cervix weakens after each delivery.
- B. The cervix can dilate and efface simultaneously.
- C. The multigravida uterus is better able to coordinate muscle movements.
- D. It is more difficult for multiparous women to know when labor begins.
Correct Answer: C
Rationale: The correct answer is C because the multigravida uterus has undergone labor before, making muscle coordination more efficient. This allows for faster and more coordinated contractions, leading to precipitous labor. Choice A is incorrect because the cervix does not weaken after each delivery. Choice B is incorrect as simultaneous dilation and effacement are not specific to multiparous women. Choice D is incorrect because the ability to recognize labor onset is not a determining factor in the occurrence of precipitous labor.
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Which factor ensures that the smallest anterior-posterior diameter of the fetal head enters the pelvis?
- A. Station
- B. Flexion
- C. Descent
- D. Engagement
Correct Answer: B
Rationale: The correct answer is B: Flexion. Flexion of the fetal head is crucial for the smallest anterior-posterior diameter to enter the pelvis first. This position optimizes the fit of the fetal head through the maternal pelvis, reducing the risk of complications during labor. Station (A) refers to the level of the presenting part in the pelvis, descent (C) is the downward movement of the fetus, and engagement (D) is when the widest diameter of the fetal head passes through the maternal pelvic inlet. However, these factors do not specifically address the orientation of the fetal head to ensure the smallest diameter enters the pelvis.
The nurse midwife caring for a multiparous client who is 5 cm dilated requests intermittent auscultation (IA) of the fetal heart rate. The woman’s history reveals no risk factors. How often should IA be performed in this patient?
- A. Every 15 minutes
- B. Every 5 minutes
- C. Every 20 minutes
- D. Every 30 minutes
Correct Answer: A
Rationale: The correct answer is A: Every 15 minutes. This frequency is recommended for a low-risk multiparous client in active labor without risk factors. Intermittent auscultation every 15 minutes allows for adequate monitoring of fetal well-being while also promoting maternal autonomy and mobility. Choices B, C, and D are incorrect because they are either too frequent or too infrequent for a low-risk client in active labor. Every 5 minutes (B) may be excessive and disrupt the labor process, every 20 minutes (C) may not provide sufficient monitoring, and every 30 minutes (D) may not detect changes in fetal status promptly.
A patient who is 8 cm dilated develops circumoral numbness and dizziness. What is the nurse’s priority intervention?
- A. Call the health care provider immediately.
- B. Increase intravenous fluid, as these are signs of hypovolemia.
- C. Have the patient slow down her breathing.
- D. Have her start pushing, as these are signs of the beginning of the second stage.
Correct Answer: C
Rationale: The correct answer is C: Have the patient slow down her breathing. Circumoral numbness and dizziness are signs of hyperventilation, which can occur due to rapid breathing during labor. Slowing down the patient's breathing helps prevent respiratory alkalosis and promotes proper oxygenation for both the mother and the baby. Calling the health care provider immediately (A) may cause a delay in addressing the immediate issue. Increasing IV fluids (B) may not address the root cause of the symptoms. Having her start pushing (D) prematurely can be harmful if she is not fully dilated.
The primary difference between the labor of a nullipara and that of a multipara is
- A. total duration of labor.
- B. level of pain experience
- C. amount of cervical dilation.
- D. sequence of labor mechanisms.
Correct Answer: A
Rationale: The correct answer is A: total duration of labor. Nullipara refers to a woman giving birth for the first time, while multipara refers to a woman who has given birth multiple times. The primary difference between their labors is the total duration. Nulliparas typically have longer labors due to the body's first experience with childbirth. The other choices (B, C, D) are not the primary difference between nullipara and multipara labors. Pain experience, cervical dilation, and labor mechanisms can vary based on individual factors, but the key distinction lies in the overall duration of labor based on parity.
On admission to the labor and birth unit, a 38-year-old female, gravida 4, para 3, at term in early labor is found to have a transverse lie on vaginal examination. What is the priority intervention at this time?
- A. Perform a vaginal exam to denote progress.
- B. Notify the health care provider.
- C. Initiate parenteral therapy.
- D. Apply oxygen via nasal cannula at 8 L/minut
Correct Answer: B
Rationale: The correct answer is B: Notify the health care provider. This is the priority intervention because a transverse lie is a malpresentation that can lead to complications during labor and delivery. The healthcare provider needs to be informed immediately to determine the best course of action, which may include attempting to manually rotate the baby or preparing for a cesarean section. Performing a vaginal exam (A) can be dangerous and should be avoided in cases of transverse lie. Initiating parenteral therapy (C) and applying oxygen (D) are not priorities in this situation as addressing the malpresentation is more urgent.