A nurse is reviewing the risk factors for cord prolapse with a pregnant client who has polyhydramnios.
The nurse should inform the client that polyhydramnios increases the risk of cord prolapse by which mechanism?
It causes excessive fetal movement that can dislodge the cord
It creates more space for the cord to slip past the presenting part
It exerts pressure on the membranes that can cause premature rupture
It reduces the cushioning effect of the amniotic fluid around the cord.
The Correct Answer is B
The correct answer is choice B. It creates more space for the cord to slip past the presenting part. Polyhydramnios is a condition where there is excessive accumulation of amniotic fluid during pregnancy. This can cause the fetus to be malpositioned or not engaged in the pelvis before labor, which increases the risk of cord prolapse. Cord prolapse is when the umbilical cord drops into the vagina ahead of the baby, which can compromise blood flow and oxygen delivery to the fetus.
Choice A is wrong because it is not the fetal movement that causes cord prolapse, but the displacement of the presenting part from the cervix.
Choice C is wrong because it is not the pressure on the membranes that causes cord prolapse, but the rupture of the membranes with a high or mobile presenting part.
Choice D is wrong because it is not the reduced cushioning effect of the amniotic fluid that causes cord prolapse, but the increased space for the cord to slip past the presenting part.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The correct answer is choice A.Overt cord prolapse is when the cord is visible or palpable in the vagina, occult cord prolapse is when the cord is hidden within the uterus, and funis cord prolapse is when the cord is alongside but not below the presenting part.
Choice B is wrong because it reverses the definitions of overt and occult cord prolapse.
Choice C is wrong because it reverses the definitions of overt and funis cord prolapse.
Choice D is wrong because it does not match any of the definitions of cord prolapse types.
Normal ranges for umbilical cord length are 45 to 60 cm, and normal ranges for umbilical cord diameter are 1 to 2 cm.
Correct Answer is B
Explanation
The correct answer is choice B. Cord prolapse.
A cord prolapse occurs when the umbilical cord slips through the cervix and into the vagina before the baby during labor.
This can cause the cord to become compressed or twisted, cutting off the blood supply and oxygen to the baby.A cord prolapse is a medical emergency that requires immediate delivery by cesarean section.
Choice A is wrong because placenta previa is a condition where the placenta covers the opening of the cervix, not the baby’s position.Placenta previa can cause bleeding during pregnancy and labor, but it is not directly related to breech presentation.
Choice C is wrong because shoulder dystocia is a complication where the baby’s shoulder gets stuck behind the mother’s pubic bone during a head-first delivery.
This can cause injury to the baby’s nerves, bones, or brain.Shoulder dystocia is not a common complication of breech delivery.
Choice D is wrong because postpartum hemorrhage is excessive bleeding after delivery.
It can be caused by many factors, such as uterine atony, retained placenta, or lacerations.Postpartum hemorrhage is not more likely to occur with breech presentation than with vertex presentation.
Breech presentation can also increase the risk of other complications, such as congenital malformations, developmental dysplasia of the hip, and traumatic injuries.
Therefore, most breech babies are delivered by cesarean section to reduce
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