A nurse is reinforcing teaching with a newly licensed nurse about embryonic nutrition.
Which of the following statements by the newly licensed nurse indicates an understanding of the teaching?
Prior to the development of the placenta, the amnion provides nutrients.
The chorion supports development of the embryo.
The allantois will work to provide nutrients prior to the development of the placenta.
The yolk sac provides nutrients to the developing embryo.
The Correct Answer is D
Choice A rationale
The amnion is a membrane that encloses the amniotic fluid but does not provide nutrients to the embryo.
Choice B rationale
The chorion forms part of the placenta and contributes to nutrient and gas exchange once the placenta develops, but it does not provide nutrients before the placenta forms.
Choice C rationale
The allantois is involved in early fluid exchange and waste management but does not provide nutrients before the placenta forms.
Choice D rationale
The yolk sac provides nutrients to the developing embryo before the placenta is fully functional, supporting early embryonic development.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
The client will be positioned in a prone position is incorrect because the prone position is not used for fetal anatomy ultrasounds.
Choice B rationale
The ultrasound will occur at 13 weeks of gestation is incorrect as the typical timing for a detailed fetal anatomy scan is around 18-22 weeks of gestation, not 13 weeks.
Choice C rationale
The ultrasound will be transvaginal is incorrect because at 20 weeks of gestation, a transabdominal ultrasound is more commonly used rather than a transvaginal one.
Choice D rationale
The client must have a full bladder is correct because a full bladder helps lift the uterus out of the pelvis, providing a clearer view during the ultrasound.
Correct Answer is B
Explanation
Choice A rationale
Gestational hypertension is diagnosed when high blood pressure develops after 20 weeks of pregnancy without other symptoms of preeclampsia, such as proteinuria or end-organ dysfunction.
Choice B rationale
Preeclampsia with severe features includes high blood pressure, proteinuria, and symptoms like blurred vision and headaches. These indicate severe disease, which can endanger both the mother and the fetus if left untreated.
Choice C rationale
Preeclampsia without severe features involves high blood pressure and proteinuria but without the additional severe symptoms like blurred vision and headache.
Choice D rationale
Chronic hypertension refers to high blood pressure that was present before pregnancy or diagnosed before 20 weeks of gestation. It does not typically present with acute symptoms like blurred vision and headache that develop suddenly.
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