The nurse is teaching parents about antepartum testing. Which statements should the nurse include?

Amniocentesis may be used to assess if you have preeclampsia.

A non-stress test may be used to measure fetal heart rate.

Chorionic villus sampling may be done to assess for neural tube defects.

You may need to fill up your bladder prior to an ultrasound.

Oral Glucose tolerance testing will measure fetal activity at certain intervals.

Answer and Explanation

Correct Answer : B,D

Choice A rationale

Amniocentesis assesses fetal lung maturity, genetic disorders, and infections, not preeclampsia. Preeclampsia diagnosis involves blood pressure, proteinuria, and other lab tests. Normal blood pressure: <120/80 mm Hg. Proteinuria: >300 mg/day.

Choice B rationale

A non-stress test measures fetal heart rate response to movements, evaluating fetal well-being. Normal fetal heart rate: 110-160 bpm. Accelerations: 15 bpm increase for at least 15 seconds.

Choice C rationale

Chorionic villus sampling assesses chromosomal abnormalities, genetic disorders, not neural tube defects. Neural tube defect screening: maternal serum alpha-fetoprotein levels, ultrasound. Normal alpha-fetoprotein: 0.5-2.5 MoM.

Choice D rationale

A full bladder helps lift the uterus for better visualization during ultrasound, especially in early pregnancy. This improves image quality for assessing fetal development and other structures.

Choice E rationale

Oral glucose tolerance test assesses gestational diabetes by measuring blood glucose levels, not fetal activity. Normal fasting blood glucose: <95 mg/dL. 1-hour post-glucose: <180 mg/dL.

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Correct Answer is D

Explanation

Choice A rationale

The ductus arteriosus does not connect the umbilical artery to the inferior vena cava. It connects the pulmonary artery to the aorta, bypassing the lungs in fetal circulation.

Choice B rationale

The ductus arteriosus carries deoxygenated blood from the right side of the heart to the aorta. It does not carry oxygenated blood from the left side of the heart.

Choice C rationale

The ductus arteriosus is not located between the right and left atrium. It is a blood vessel connecting the pulmonary artery to the aorta in fetal circulation.

Choice D rationale

In fetal circulation, the pulmonary artery and aorta are connected via the ductus arteriosus. This allows blood to bypass the fetal lungs, which are not yet functional.

NGN QUESTIONS

A. Slower satiety. B. Nausea. C. Vomiting. D. Constipation. E. Urinary frequency. F. Nocturia.

Correct Answer is ["B","C","D","E","F"]

Explanation

Choice A rationale

Pregnancy generally leads to slower gastric emptying due to increased progesterone, but satiety is not directly slowed.

Choice B rationale

Increased progesterone levels during pregnancy slow gastric motility, leading to nausea, especially in the first trimester.

Choice C rationale

Vomiting is also common due to hormonal changes, specifically elevated human chorionic gonadotropin (hCG) levels.

Choice D rationale

Constipation occurs because increased progesterone reduces bowel motility and increases water absorption in the colon.

Choice E rationale

The growing uterus places pressure on the bladder, leading to increased urinary frequency.

Choice F rationale

Nocturia occurs as the kidneys filter more blood and the uterus compresses the bladder, especially in later stages of pregnancy.

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The nurse is teaching parents about antepartum testing. Which statements should the nurse include?

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Naxlex Comprehensive Predictor Exams

Which statement below accurately describes the role of the ductus arteriosus?

Correct Answer is D

Explanation

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Correct Answer is ["B","C","D","E","F"]

Explanation

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