A nurse is administering betamethasone to a client who is in pre-term labor at 28 weeks of gestation.
The nurse should explain that the purpose of this medication is to:
Reduce inflammation in the uterus
Enhance fetal lung maturity
Prevent infection in the amniotic fluid
Increase blood flow to the placenta
The Correct Answer is B
Betamethasone is a corticosteroid that is given to pregnant women who are at risk of preterm delivery to enhance fetal lung maturity. Betamethasone stimulates the production of surfactant, a substance that lubricates the lungs and prevents them from collapsing when the baby breathes. This reduces the risk of respiratory distress syndrome and other complications in preterm infants.
Choice A is wrong because betamethasone does not reduce inflammation in the uterus.
Choice C is wrong because betamethasone does not prevent infection in the amniotic fluid.
Choice D is wrong because betamethasone does not increase blood flow to the placenta.
Normal ranges for gestational age are 37 to 42 weeks.
Preterm birth is defined as delivery before 37 weeks of gestation. Antenatal corticosteroids are recommended for women between 24 and 34 weeks of gestation who are at risk of preterm delivery within 7 days, and may be considered for women at 23 weeks of gestation or between 34 and 37 weeks of gestation depending on the clinical scenario.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Lying on one’s back with knees bent while using the monitor is not recommended for women at risk of preterm labor, as it can put pressure on the inferior vena cava, a major vein leading back to the heart.This can cause low blood pressure and reduce blood flow to the uterus and the baby.A better position is to lie on one’s side with a pillow at the back for support.
Choice A is correct because emptying the bladder before applying the monitor can reduce interference from urine contractions and make the readings more accurate.
Choice C is correct because pressing the event marker every time one feels a contraction can help record the frequency and duration of uterine activity.
Choice D is correct because using the monitor for at least 1 hour twice a day can provide sufficient data on uterine contractions and help detect early signs of preterm labor.
Correct Answer is A
Explanation
Amniotic fluid index of 4 cm indicates oligohydramnios, which means too little amniotic fluid.This can cause fetal growth restriction, cord compression, and congenital anomalies.
Choice B is wrong because amniotic fluid index of 8 cm is within the normal range of 5 to 25 cm.
Choice C is wrong because amniotic fluid index of 12 cm is also within the normal range and close to the median value of 14 cm.
Choice D is wrong because amniotic fluid index of 16 cm is also within the normal range and does not indicate oligohydramnios.
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