A G1P1 patient at 37 weeks' gestation is scheduled for a nonstress test (NST). The nurse's greatest concern is the client's risk of developing related to
The Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"C"}
The nurse should be most concerned about preeclampsia, which is a hypertensive disorder of pregnancy that typically occurs after 20 weeks' gestation. Primigravida status (first pregnancy) and being at or near term (like 37 weeks) are known risk factors. Monitoring through a nonstress test is part of evaluating fetal well-being in at-risk pregnancies.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
While fetal heart rate (FHR) is a crucial assessment in preterm labor, especially when considering the effects of medications, it is not the immediate priority assessment before initiating magnesium sulfate. Magnesium sulfate primarily affects the mother's central nervous system and neuromuscular system.
Choice B rationale
Respiratory rate is the priority nursing assessment before administering magnesium sulfate. Magnesium sulfate is a central nervous system depressant and can cause respiratory depression, a potentially life-threatening side effect. Establishing a baseline respiratory rate and ensuring it is within the normal range (12-20 breaths per minute for adults) is critical before administering the medication.
Choice C rationale
Temperature is an important vital sign to monitor, but it is not the priority assessment before administering magnesium sulfate. Magnesium sulfate does not typically have a direct impact on body temperature. Other assessments related to the medication's effects take precedence. Normal adult temperature range is typically 97.8°F to 99.1°F (36.5°C to 37.3°C).
Choice D rationale
Bowel sounds are an assessment related to gastrointestinal function and are not the priority assessment before administering magnesium sulfate. While magnesium sulfate can have some effects on smooth muscle, including the intestines, the immediate risk of respiratory depression necessitates prioritizing respiratory assessment. Normal bowel sounds are typically described as normoactive, with clicks and gurgles occurring irregularly.
Correct Answer is B
Explanation
Choice A rationale
The fetal heart indeed pumps blood to both the placenta, where oxygen and nutrients are obtained, and to the developing organs, which require these substances for growth and function. This dual circulation is essential for fetal development. The normal circulatory pattern ensures that oxygenated blood returns from the placenta to nourish the fetal tissues, while deoxygenated blood is transported back to the placenta for gas exchange.
Choice B rationale
Maternal and fetal blood do not mix under normal physiological conditions. The exchange of gases, nutrients, and waste products occurs across the placental barrier, which consists of fetal and maternal tissues but keeps their bloodstreams separate. This separation prevents potential immune reactions and maintains distinct circulatory systems for the mother and the fetus.
Choice C rationale
The placenta serves as the vital site for gas exchange in the fetus. Oxygen and carbon dioxide are exchanged between the maternal and fetal blood across the placental membranes via diffusion. Oxygen-rich blood from the mother is delivered to the fetus, while carbon dioxide, a waste product of fetal metabolism, moves from the fetus to the mother for elimination.
Choice D rationale
The umbilical arteries are responsible for carrying deoxygenated blood and waste products from the fetus to the placenta. This deoxygenated blood is then oxygenated and cleared of waste at the placenta before returning to the fetus via the umbilical vein. This flow pattern is crucial for maintaining the fetal environment and supporting its development.
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