Vaginal examination reveals the presenting part is the infant's head, which is well flexed on the chest. What is this presentation?
- A. Vertex
- B. Military
- C. Brow
- D. Face
Correct Answer: A
Rationale: In the vertex presentation, the fetal head is the presenting part. The head is fully flexed on the chest.
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What does the nurse note when measuring the frequency of a laboring woman's contractions?
- A. How long the patient states the contractions last
- B. The time between the end of one contraction and the beginning of the next
- C. The time between the beginning and the end of one contraction
- D. The time between the beginning of one contraction and the beginning of the next
Correct Answer: D
Rationale: The frequency of contractions is the elapsed time from the beginning of one contraction to the beginning of the next contraction.
What is the function of contractions during the second stage of labor?
- A. Align the infant into the proper position for delivery.
- B. Dilate and efface the cervix.
- C. Push the infant out of the mother's body.
- D. Separate the placenta from the uterine wall.
Correct Answer: C
Rationale: The contractions push the infant out of the mother's body as the second stage of labor ends with the birth of the infant.
While caring for a laboring woman, the nurse notices a pattern of variable decelerations in fetal heart rate with uterine contractions. What is the nurse's initial action?
- A. Stop the oxytocin infusion.
- B. Increase the intravenous flow rate.
- C. Reposition the woman on her side.
- D. Start oxygen via nasal cannula.
Correct Answer: C
Rationale: Repositioning the woman is the first response to a pattern of variable decelerations. If the decelerations continue, then oxygen should be administered and/or the flow rate of oxygen should be increased.
A pregnant woman, gravida 2, para 1, tells the nurse she desires a VBAC (vaginal birth after cesarean section) with this pregnancy. What is the primary concern regarding complications for this patient during labor and birth?
- A. Eclampsia
- B. Placental abruption
- C. Congestive heart failure
- D. Uterine rupture
Correct Answer: D
Rationale: The main concern for VBAC is uterine rupture, which can disrupt placental blood flow and cause hemorrhage.
The physician performs an amniotomy on a laboring woman. What will be the nurse's priority assessment immediately following this procedure?
- A. Fetal heart rate
- B. Fluid amount
- C. Maternal blood pressure
- D. Deep tendon reflexes
Correct Answer: A
Rationale: The FHR should be assessed for at least 1 full minute after the membranes rupture to detect potential umbilical cord compression.
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