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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Tubal ligation does not alleviate menstrual pain. The procedure involves blocking or sealing the fallopian tubes to prevent pregnancy, but it does not have an effect on menstrual pain.
Choice B rationale
Tubal ligation does not lessen menstrual flow. The procedure prevents pregnancy by blocking the fallopian tubes, but it does not affect the menstrual cycle or the amount of menstrual flow.
Choice C rationale
The timing of the tubal ligation procedure is not typically scheduled just prior to the menstrual cycle. The procedure can be done at any time that is medically appropriate and convenient for the patient.
Choice D rationale
The patient must understand that the procedure is irreversible. Tubal ligation is a permanent form of birth control and is not easily reversed. Therefore, it’s important for patients to fully understand the implications of the procedure before making a decision.
Correct Answer is A
Explanation
Choice A rationale
This is the correct answer. Smoking during pregnancy increases the risk of intrauterine growth restriction, which can lead to low birth weight.
Choice B rationale
While smoking can have many negative health effects, there is no direct link between maternal smoking and hearing loss in the newborn.
Choice C rationale
Maternal smoking is not directly linked to congenital heart defects in the newborn.
Choice D rationale
There is no established link between maternal smoking and the development of type 1 diabetes mellitus in the newborn.
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