A nurse is evaluating the fetal heart rate tracing of a client who is in pre-term labor and receiving magnesium sulfate.
The nurse should identify that which of the following patterns indicates a potential adverse effect of the medication on the fetus?
Accelerations
Early decelerations
Variable decelerations
Absent variability
The Correct Answer is D
According to the search results, magnesium sulfate can have a negative effect on the fetal heart rate (FHR) by lowering the baseline, decreasing the variability, and reducing the reactivity or acceleration pattern. Absent variability means that there is no fluctuation in the FHR and it indicates fetal hypoxia or acidosis.
This is a potential adverse effect of magnesium sulfate on the fetus and requires immediate intervention.
Choice A. Accelerations is wrong because accelerations are transient increases in the FHR that indicate fetal well-being. They are not affected by magnesium sulfate.
Choice B. Early decelerations is wrong because early decelerations are decreases in the FHR that occur with uterine contractions and are caused by fetal head compression. They are benign and do not indicate fetal distress. They are not associated with magnesium sulfate.
Choice C. Variable decelerations is wrong because variable decelerations are abrupt decreases in the FHR that vary in shape, duration, and timing and are caused by umbilical cord compression.
They may or may not indicate fetal compromise.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Cervix is shortened and thinned.This indicates cervical effacement, which is the thinning and softening of the cervix in preparation for childbirth.Cervical effacement is measured in percentages, from 0% (no effacement) to 100% (fully effaced).
Choice A is wrong because cervix is soft and pliable does not necessarily mean it is effaced.The cervix can soften before it thins and shortens.
Choice C is wrong because cervix is dilated and open indicates cervical dilation, which is the opening of the cervix.Cervical dilation is measured in centimeters, from 0 cm (closed) to 10 cm (fully dilated).
Cervical dilation and effacement are related, but not the same.
Choice D is wrong because cervix is posterior and high indicates the position of the cervix in relation to the vagina.The cervix can move from posterior (back) to anterior (front) and from high to low as labor progresses.
The position of the cervix does not indicate effacement.
Correct Answer is B
Explanation
Pre-term newborns are at risk of apnea of prematurity, which is a pause in breathing for more than 20 seconds or less than 20 seconds with bradycardia or cyanosis.An apnea monitor can detect and alert the parents of any episodes of apnea and help them intervene promptly.
Choice A is wrong because breastfeeding is beneficial for pre-term newborns and can provide them with antibodies, nutrients, and bonding with the mother.Breastfeeding should be encouraged as soon as the newborn is medically stable and able to suck and swallow.
Choice C is wrong because keeping the newborn in a warm environment at all times can lead to overheating, dehydration, and increased metabolic rate.Pre-term newborns have difficulty regulating their body temperature and need to be dressed appropriately for the ambient temperature.They should also be monitored for signs of cold stress or heat stress.
Choice D is wrong because delaying immunizations until the newborn reaches term gestation can expose the newborn to preventable infections that ...
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