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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Fundus soft, 2 fingerbreadths below the umbilicus is incorrect, as this finding indicates uterine atony and subinvolution. The fundus is the upper part of the uterus that can be palpated through the abdomen after birth. The fundus should be firm and midline to indicate adequate uterine contraction and involution. A soft or boggy fundus can increase the risk of hemorrhage and infection.
Choice B reason: Fundus firm, 1 fingerbreadth below the umbilicus is correct, as this finding indicates normal uterine contraction and involution. The fundus is normally at the level of the umbilicus immediately after birth and then descends about one fingerbreadth per day. A firm and midline fundus can prevent excessive bleeding and promote healing.
Choice C reason: Fundus firm, 4 fingerbreadths above the umbilicus is incorrect, as this finding indicates a higher than expected fundal height for a client who is 24 hr postpartum. The fundus is normally at the level of the umbilicus immediately after birth and then descends about one fingerbreadth per day. A high fundal height can indicate uterine atony, retained placental fragments, or bladder distension.
Choice D reason: Fundus soft, to the right of the umbilicus is incorrect, as this finding indicates uterine atony and bladder distension. The fundus should be firm and midline to indicate adequate uterine contraction and involution. A deviated fundus can indicate bladder distension, which can interfere with uterine contraction and involution and increase the risk of hemorrhage and infection.
Correct Answer is A
Explanation
Choice A reason: Massage the client's fundus is correct, as this is the first action the nurse should take according to the ABCDE priority framework. Saturating a perineal pad in 10 min indicates excessive bleeding and possible postpartum hemorrhage, which can compromise the client's airway, breathing, and circulation. Massaging the fundus can stimulate uterine contraction and reduce blood loss.
Choice B reason: Check the client's blood pressure is incorrect, as this is not the first action the nurse should take, although it is important to monitor for signs of shock. Checking the blood pressure does not address the cause of bleeding or prevent further blood loss.
Choice C reason: Administer oxytocin is incorrect, as this is not the first action the nurse should take, although it may be indicated later. Administering oxytocin requires a provider's order and may have adverse effects such as nausea,
vomiting, headache, or water intoxication. The nurse should first atempt to control bleeding by massaging the fundus and then administer oxytocin as ordered.
Choice D reason: Observe for pooling of blood under the butocks is incorrect, as this is not the first action the nurse should take, although it can help estimate blood loss. Observing for pooling of blood does not address the cause of bleeding or prevent further blood loss. The nurse should first atempt to control bleeding by massaging the fundus and then assess for other signs of hemorrhage.
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