A nurse is assisting in the care of a client who has preeclampsia with severe features and is reporting blurred vision and the inability to think clearly.
Which of the following factors should the nurse recognize as the primary cause of the client's clinical manifestations?
Platelet aggregation.
Autoregulation dysfunction of the cerebral vasculature.
Oxidative stress inflammatory response.
Uteroplacental ischemia.
The Correct Answer is B
Choice A rationale
Platelet aggregation is associated with the formation of blood clots, which may contribute to complications like stroke but is not the primary cause of the client's symptoms of blurred vision and cognitive impairment in preeclampsia.
Choice B rationale
Autoregulation dysfunction of the cerebral vasculature causes increased cerebral blood flow and edema, leading to neurological symptoms such as blurred vision and impaired cognitive function. This dysfunction is a primary factor in the pathophysiology of preeclampsia with severe features.
Choice C rationale
Oxidative stress and inflammatory response contribute to endothelial dysfunction in preeclampsia but are not directly responsible for the neurological symptoms described. These factors play a broader role in the progression of the disease.
Choice D rationale
Uteroplacental ischemia affects the placenta and fetal environment, contributing to fetal growth restriction and distress but does not directly cause neurological symptoms like blurred vision in the mother.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Respecting the client's decision to decline genetic testing upholds their autonomy and right to make informed decisions about their own healthcare.
Choice B rationale
Persistently attempting to schedule another appointment could be seen as pressuring the client, which may not be respectful of their initial decision.
Choice C rationale
Offering an appointment with a different genetic counselor may imply that the client's decision was not respected or understood, which can be perceived as dismissive.
Choice D rationale
Planning to perform genetic testing without the client's consent disregards their autonomy and the importance of informed consent in healthcare decisions.
Correct Answer is A
Explanation
Choice A rationale
Painless, bright red vaginal bleeding at 36 weeks gestation is a classic sign of placenta previa, where the placenta is abnormally implanted in the lower uterine segment, covering the cervix, and causing bleeding without pain.
Choice B rationale
Threatened abortion is characterized by vaginal bleeding before 20 weeks of gestation with or without abdominal pain. At 36 weeks, the term would be inappropriate, and the symptoms do not match.
Choice C rationale
Abruptio placentae involves painful vaginal bleeding due to premature placental separation. The presence of pain differentiates it from placenta previa.
Choice D rationale
Preterm labor may present with contractions, cervical changes, and possible bleeding, but the key feature distinguishing it from placenta previa is the presence of uterine contractions and pain, which are absent in this scenario.
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