A nurse is teaching a patient who is 15 weeks pregnant and is to undergo an amniocentesis.

The nurse should explain that the purpose of this test is to identify which of the following conditions? (Select all that apply.)

Cephalopelvic disproportion.

Anomalies in fetal chromosomes.

Neural tube defects.

Fetal gender.

Rh incompatibility.

Answer and Explanation

Correct Answer : B,C,D

Choice A rationale
Cephalopelvic disproportion refers to a mismatch between the size of the fetal head and the mother’s pelvis, making it difficult for the baby to pass through the birth canal. This condition is not identified through amniocentesis.
Choice B rationale
Amniocentesis is a procedure where a small amount of amniotic fluid, which contains fetal tissues, is sampled and tested. This test can indeed identify anomalies in fetal chromosomes. It can detect genetic disorders such as Down syndrome, spina bifida, and cystic fibrosis.
Choice C rationale
Neural tube defects, such as spina bifida, can be detected through amniocentesis. These defects occur when the neural tube, which forms the brain and spinal cord, fails to close completely during the first few weeks of embryonic development.
Choice D rationale
Amniocentesis can also determine the fetal gender. This is because the test analyzes the chromosomes present in the fetal cells found in the amniotic fluid. Males have XY chromosomes, while females have XX chromosomes.
Choice E rationale
Rh incompatibility is a condition where the mother’s Rh blood type and the baby’s Rh blood type are incompatible. This can lead to the mother’s immune system attacking the Rh positive cells of the baby. However, Rh incompatibility is not detected through amniocentesis. It is typically identified through blood tests.

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Correct Answer is D

Explanation

Choice A rationale
At around 20-22 weeks of gestation, the top of the uterus (fundus) is typically at the level of the belly button (navel)10111213.
Choice B rationale
The fundus being 3 cm below the umbilicus would be more typical of an earlier stage of pregnancy.
Choice C rationale
The fundus being 3 cm above the umbilicus would be more typical of a later stage of pregnancy.
Choice D rationale
At 22 weeks of gestation, the fundus is typically slightly above the umbilicus.

A. Controls the risk of hypertension while pregnant B. Sustains a slow and steady weight gain while pregnant C. Maintains energy throughout the pregnancy D. Prevents neural tube disorders in the developing fetus .

Correct Answer is D

Explanation

Choice A rationale
While maintaining a healthy blood pressure is important during pregnancy, folic acid does not directly control the risk of hypertension.
Choice B rationale
Folic acid does not directly affect weight gain during pregnancy.
Choice C rationale
While folic acid is important for overall health, it does not specifically maintain energy throughout pregnancy.
Choice D rationale
Folic acid is crucial for early fetal development, particularly for the development of the neural tube, which becomes the brain and spine. Adequate intake of folic acid can help prevent neural tube defects in the developing fetus. EthnocentrismEthnocentrism Explore

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A nurse is teaching a patient who is 15 weeks pregnant and is to undergo an amniocentesis. The nurse should explain that the purpose of this test is to identify which of the following conditions? (Select all that apply.)

Nursing Test Bank

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Correct Answer is D

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A nurse is teaching a patient who is 15 weeks pregnant and is to undergo an amniocentesis.

The nurse should explain that the purpose of this test is to identify which of the following conditions? (Select all that apply.)