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 A
Explanation
Choice A rationale
Rhythmic respirations indicate the client is using controlled breathing techniques to manage labor pain, which demonstrates effective coping. This method helps maintain oxygen levels and can reduce the perception of pain through focused breathing.
Choice B rationale
Crying during labor may indicate emotional distress or pain, suggesting the client might be struggling to cope effectively with labor. While it is a natural response, it is not typically associated with controlled coping mechanisms.
Choice C rationale
Lack of concentration can indicate that the client is overwhelmed by pain or anxiety, which may hinder her ability to use coping strategies effectively. It suggests she might be struggling to manage her labor experience.
Choice D rationale
Perspiration is a common physiological response to the exertion and stress of labor, but it does not specifically indicate how well the client is coping with labor pain or stress. It is a normal part of the labor process but not a clear sign of effective coping.
Correct Answer is A
Explanation
Choice A rationale
Hypothyroidism during pregnancy is associated with increased risks of metabolic disorders, including lipid and glucose metabolism disorders, which can affect both the mother and fetus.
Choice B rationale
hCG levels do not typically plateau in the first trimester; they continue to rise and peak around the 10th week of pregnancy before starting to decline.
Choice C rationale
Thyroid replacement dosing usually needs adjustment during pregnancy to meet the increased thyroid hormone requirements due to physiological changes and fetal development needs.
Choice D rationale
Antenatal fetal surveillance is generally required in the third trimester for hypothyroid pregnant clients to monitor fetal well-being, not during the first trimester.
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