Nokea
What changes in hormones initiate labor?
- A. decreased progesterone, decreased estrogen, absence of oxytocin
- B. increased progesterone, decreased estrogen, absence of oxytocin
- C. increased progesterone, decreased estrogen, presence of oxytocin
- D. decreased progesterone, increased estrogen, effects of oxytocin
Correct Answer: D
Rationale: The correct answer is D because during labor, progesterone levels decrease, estrogen levels increase, and oxytocin plays a key role in initiating contractions. Progesterone inhibits contractions, so its decrease is necessary for labor to start. Estrogen helps stimulate uterine contractions. Oxytocin, released from the brain, triggers and enhances contractions.
Option A is incorrect because an absence of oxytocin would not initiate labor. Option B is incorrect because increased progesterone would inhibit labor. Option C is incorrect because oxytocin is needed to initiate labor.
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When does the active phase of labor begin according to ACOG?
- A. 6 cm
- B. 3 cm
- C. 5 cm
- D. 10 cm
Correct Answer: A
Rationale: The active phase of labor begins at 6 cm dilation according to ACOG guidelines. At this point, the cervix is significantly dilated, signaling the transition to active labor. This stage is crucial as it signifies the acceleration of labor progress and typically involves stronger contractions leading to efficient cervical dilation. Choices B, C, and D are incorrect as they do not align with the established criteria for the active phase of labor. Choice B (3 cm) is too early for active labor, choice C (5 cm) is close but not quite at the threshold for active labor, and choice D (10 cm) is actually the full dilation stage, not the beginning of active labor. Hence, choice A (6 cm) is the correct answer.
What anticipatory guidance should the nurse provide for new parents regarding sociologic changes?
- A. Explain that roles will not change at home
- B. Explain that stresses will be over now that the newborn is born.
- C. Tell the parents not to stress over household changes.
- D. Prepare them for possible strains on relationships.
Correct Answer: D
Rationale: The correct answer is D: Prepare them for possible strains on relationships. This guidance is important as the arrival of a newborn can bring significant changes to the dynamics of a relationship. By preparing new parents for possible strains on relationships, the nurse can help them navigate challenges together.
A: Incorrect. Roles are likely to change at home with the addition of a newborn, so it is important to address this rather than dismissing it.
B: Incorrect. Stressors may actually increase with the arrival of a newborn, so it is not accurate to say stresses will be over.
C: Incorrect. Ignoring household changes can lead to added stress, so it is not advisable to tell parents not to stress over them.
In summary, option D is correct as it addresses the potential strains on relationships that new parents may face, while the other options do not acknowledge the reality of sociologic changes that can occur.
Which explains why infants who are delivered via cesarean section before the start of labor have more difficulty transitioning to extrauterine life?
- A. The use of warm IV fluids precipitates hyperthermia.
- B. Regional anesthesia causes respiratory depression.
- C. The maternal left tilt position reduces placental blood flow.
- D. Residual amniotic fluid in the lungs makes spontaneous respirations difficult.
Correct Answer: D
Rationale: The correct answer is D because residual amniotic fluid in the lungs can lead to a condition called transient tachypnea of the newborn (TTN), making spontaneous respirations difficult. This occurs more commonly in infants born via cesarean section before the onset of labor as they may not have had the opportunity to expel the fluid through the vaginal passage. A: Warm IV fluids can help maintain normal body temperature. B: Regional anesthesia may not directly cause respiratory depression in the infant. C: Maternal left tilt position is used to improve blood flow during labor, not relevant to respiratory issues in the newborn.
A 35-year-old gravida 1, para 0 is admitted to the labor and delivery unit. She reports intense rectal pressure. Which stage of labor is probable?
- A. First stage, latent
- B. Second stage
- C. Third stage
- D. Fourth stage
Correct Answer: B
Rationale: The correct answer is B: Second stage. In the second stage of labor, the cervix is fully dilated, and the woman experiences the urge to push. The intense rectal pressure reported by the patient indicates the baby's descent into the birth canal, a characteristic of the second stage. In contrast, in the first stage (choices A and C), the cervix is still dilating, and in the fourth stage (choice D), immediate postpartum period, the focus is on maternal stabilization.
What should the nurse consider when the birthing person has a decrease in blood pressure after the placenta is delivered?
- A. The birthing person is in pain.
- B. Place the newborn skin-to-skin.
- C. The bladder is distended
- D. Check for possible hemorrhage.
Correct Answer: E
Rationale: Based on the scenario, the decrease in blood pressure post-placenta delivery indicates potential hemorrhage, a common complication. The nurse should assess for signs of bleeding, such as excessive vaginal bleeding or tachycardia. Prompt intervention is crucial to prevent further complications. Other choices are less relevant - pain alone does not directly cause a decrease in blood pressure, skin-to-skin contact is important but not the priority in this situation, and a distended bladder can be addressed later. Assessing for possible hemorrhage is the most critical action to take in this scenario.