The nurse instructs a pregnant client that the purpose of an amniocentesis at 36 weeks gestation is for:
Identifying the sex of the fetus.
Detection of metabolic disorders.
Determining fetal lung maturity.
Identification of abnormal fetal cells.
The Correct Answer is C
Choice A rationale
The sex of the fetus can be determined earlier through ultrasound or blood tests, making amniocentesis at 36 weeks unnecessary for this purpose.
Choice B rationale
Detection of metabolic disorders can also be done earlier in the pregnancy through other tests. Amniocentesis at 36 weeks is not typically used for this purpose.
Choice C rationale
Determining fetal lung maturity is a primary reason for performing an amniocentesis at 36 weeks gestation. This test assesses whether the fetus's lungs are developed enough for the baby to breathe independently after birth.
Choice D rationale
Identification of abnormal fetal cells can be done earlier in pregnancy through amniocentesis or other genetic tests. It is not the primary reason for amniocentesis at 36 weeks.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Iron needs significantly increase during pregnancy to support the increased blood volume, the formation of the placenta, and the growth of the fetus. Pregnant women often require additional iron to prevent anemia and ensure adequate oxygen transport to the baby.
Choice B rationale
While calcium requirements do increase during breastfeeding to support milk production, this statement is not directly related to the nutritional needs during pregnancy. The focus during pregnancy should be on adequate intake of nutrients that support both maternal and fetal health.
Choice C rationale
Vitamin E requirements do not decline during pregnancy. In fact, the need for antioxidants like vitamin E may increase to protect both the mother and developing fetus from oxidative stress.
Choice D rationale
While prenatal vitamins are important for meeting various nutritional needs during pregnancy, they do not always provide sufficient vitamin D. Some women may need additional supplementation based on their dietary intake, sun exposure, and individual health needs.
Correct Answer is A
Explanation
Choice A rationale
Intrauterine growth restriction (IUGR) is a significant risk for newborns of mothers who smoke. Smoking affects placental blood flow, reducing the supply of oxygen and nutrients to the fetus, leading to poor growth.
Choice B rationale
Smoking is not a direct cause of gestational diabetes. Gestational diabetes is primarily related to hormonal changes in pregnancy that affect insulin regulation.
Choice C rationale
Congenital heart defects are not directly linked to smoking. They are usually caused by genetic and environmental factors during early fetal development, not smoking specifically.
Choice D rationale
Vision loss is not directly associated with maternal smoking. Smoking affects fetal growth and development, but vision loss is not a common outcome.
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