In addition to oxytocin (Pitocin) administration, what other methods can induce labor?
Prostaglandins
Episiotomy
None of the answers are correct
Amnioinfusion
Correct Answer : A,D
Choice A rationale:
Prostaglandins:
Mechanism of action: Prostaglandins are hormone-like substances that play a crucial role in labor initiation. They act by softening and ripening the cervix, stimulating uterine contractions, and rupturing the amniotic sac.
Types: Prostaglandins used for labor induction include:
Dinoprostone (Cervidil, Prepidil): Inserted into the vagina as a gel or pessary.
Misoprostol (Cytotec): Administered orally or vaginally.
Effectiveness: Generally effective in initiating labor within 24 hours, with success rates ranging from 60-85%.
Advantages:
Can be used when the cervix is unfavorable (not ripe).
Can be administered in a variety of ways to suit the patient's preferences.
May have a lower risk of uterine hyperstimulation compared to oxytocin.
Disadvantages:
Can cause side effects such as nausea, vomiting, diarrhea, and fever.
May increase the risk of uterine rupture, especially in women with a history of cesarean delivery.
Choice D rationale:
Amnioinfusion:
Procedure: Involves the infusion of sterile saline solution into the amniotic sac through a small catheter.
Mechanism of action: Not fully understood, but it's thought to work by:
Increasing amniotic fluid volume, which can help to stimulate contractions.
Stretching the uterine walls, which may trigger the release of prostaglandins.
Reducing pressure on the umbilical cord, which can improve fetal oxygenation.
Effectiveness: Usually used in conjunction with other induction methods, such as oxytocin or prostaglandins. Has a success rate of about 50-60% in initiating labor within 24 hours.
Advantages:
May be helpful in cases of low amniotic fluid (oligohydramnios).
Can decrease the risk of umbilical cord compression.
Disadvantages:
Requires the insertion of a catheter into the uterus, which carries a small risk of infection.
May cause discomfort for the mother.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The correct answer is choice c. Negative.
Choice A rationale:
“Satisfactory” is not a standard term used to describe the results of a contraction stress test (CST). The terms typically used are “negative,” “positive,” “equivocal,” or “unsatisfactory.”
Choice B rationale:
“Unsatisfactory” is used when the test cannot be interpreted due to inadequate contractions or other technical issues. In this case, the client is experiencing contractions every three minutes, and the fetal heart rate (FHR) is being monitored effectively.
Choice C rationale:
A “Negative” CST indicates that there are no late decelerations of the FHR during contractions, suggesting that the fetus is not experiencing significant distress and is likely tolerating the contractions well.
Choice D rationale:
A “Positive” CST would indicate the presence of late decelerations of the FHR with at least 50% of contractions, suggesting fetal hypoxia and compromised placental function. Since there are no decelerations in this scenario, this choice is incorrect.
Correct Answer is C
Explanation
Choice A rationale:
Attaching the IV line to the distal port is not a safe practice for oxytocin administration. This is because oxytocin is a high-alert medication that can have serious adverse effects if administered incorrectly. Attaching the IV line to the distal port increases the risk of the medication being infused too quickly, which can lead to uterine hyperstimulation, fetal distress, or even uterine rupture. The safest practice is to attach the IV line to the proximal port, which is closer to the patient's body and allows for slower infusion rates.
Choice B rationale:
Customizing the concentration of oxytocin is not a recommended practice. Oxytocin is available in a premixed solution of 10 units/mL, and this concentration should not be altered. Altering the concentration can lead to dosing errors and increase the risk of adverse effects.
Choice D rationale:
Titrating oxytocin to gravity is not a safe practice. Oxytocin should be administered using an infusion pump that can accurately control the infusion rate. Infusion pumps are necessary to ensure that the medication is administered at the correct dose and rate. Gravity-based infusions are less accurate and can lead to over- or under-infusion of the medication.
Choice C rationale:
Two RN verification is a safe practice for oxytocin administration. This practice involves having two registered nurses independently verify the medication, dose, and infusion rate before administration. This helps to prevent errors and ensure that the medication is administered safely.
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