A nurse is assisting in the care of a client who is in active labor. The nurse notes variable decelerations of the FHR. The nurse should identify which of the following as a cause of variable decelerations?
Fetal head compression
Polyhydramnios
Maternal fever
Umbilical cord compression
The Correct Answer is D
Choice A reason:
Fetal head compression is incorrect, as this factor can cause early decelerations in the fetal heart rate. Early decelerations are symmetrical decreases in the FHR that mirror the contractions, which indicate fetal head compression and vagal stimulation. Fetal head compression occurs as the fetus descends into the birth canal and does not pose a threat to the fetal well-being.
Choice B reason:
Polyhydramnios is incorrect, as this factor can cause variable or late decelerations in the fetal heart rate, depending on the underlying cause. Polyhydramnios refers to an excessive amount of amniotic fluid, which can result from fetal anomalies, maternal diabetes, multiple gestation, or other conditions. Polyhydramnios can cause umbilical cord prolapse, uterine overdistension, or placental abruption, leading to reduced blood flow and oxygen delivery to the fetus.
Choice C reason:
Maternal fever is incorrect, as this factor can cause late decelerations in the fetal heart rate. Late decelerations are symmetrical decreases in the FHR that begin after the peak of the contraction and return to baseline after the contraction ends, which indicate uteroplacental insufficiency. Maternal fever can increase maternal and fetal metabolism and oxygen demand, leading to fetal hypoxia and acidosis.
Choice D reason:
Umbilical cord compression is correct, as this factor can cause variable decelerations in the fetal heart rate. Variable decelerations are abrupt decreases in the FHR that vary in onset, duration, and depth, which indicate umbilical cord compression and reduced blood flow to the fetus. Umbilical cord compression can occur due to cord prolapse, nuchal cord, short cord, or other causes. The nurse should reposition the client, administer oxygen, and prepare for delivery if indicated.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Fundal consistency is correct, as this finding can indicate the effectiveness of oxytocin in stimulating uterine contraction and preventing postpartum hemorrhage. Oxytocin is a uterotonic agent that can enhance or augment uterine contractility and involution. The nurse should monitor the fundal height, consistency, and position and report any signs of uterine atony or excessive bleeding.
Choice B reason: Fetal heart rate is incorrect, as this finding is not relevant for a client who has already delivered the baby. Fetal heart rate can indicate the fetal well-being and response to labor, but it is not affected by oxytocin administration after birth. The nurse should monitor the newborn's vital signs and appearance and report any signs of distress or infection.
Choice C reason: Pulse rate is incorrect, as this finding is not specific for evaluating the effectiveness of oxytocin. Pulse rate can indicate the client's hemodynamic status and response to blood loss, but it can be influenced by many other factors, such as pain, anxiety, fever, or dehydration. The nurse should monitor the client's vital signs and fluid balance and report any signs of shock or infection.
Choice D reason: Urinary output is incorrect, as this finding is not specific for evaluating the effectiveness of oxytocin. Urinary output can indicate the client's renal function and fluid balance, but it can be influenced by many other factors, such as fluid intake, bladder distension, or epidural anesthesia. The nurse should monitor the client's intake and output and report any signs of oliguria or retention.
Choice E reason: Blood pressure is incorrect, as this finding is not specific for evaluating the effectiveness of oxytocin. Blood pressure can indicate the client's hemodynamic status and response to blood loss, but it can be influenced by many other factors, such as pain, anxiety, preeclampsia, or medication. The nurse should monitor the client's vital signs and fluid balance and report any signs of hypotension or hypertension.
Correct Answer is D
Explanation
Choice A reason:
Given too soon, epidural anesthesia can cause fetal depression is incorrect, as epidural anesthesia does not cross the placenta and does not affect the fetal status.
Choice B reason:
Given too soon, epidural anesthesia will delay rupture of fetal membranes is incorrect, as epidural anesthesia does not interfere with the rupture of membranes. The rupture of membranes depends on the cervical dilation and effacement, the position of the presenting part, and the strength of contractions.
Choice C reason:
Given too soon, epidural anesthesia can cause maternal hypertension is incorrect, as epidural anesthesia can cause maternal hypotension due to vasodilation and decreased venous return. The nurse should monitor the client's blood pressure and administer fluids and vasopressors as needed.
Choice D reason:
Given too soon, epidural anesthesia can prolong labor is correct, as epidural anesthesia can decrease the strength and frequency of contractions and reduce the urge to push. The nurse should ensure that the client has a good labor patern before administering epidural anesthesia and monitor the progress of labor afterwards.
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