A 38-year-old primigravida returns to the clinic at 16 weeks gestation for an alpha-fetoprotein test.She asks a nurse, "Why do lI need this test?".Which response would be most appropriate for the nurse to make?
"This test will help us determine your baby's maturity.".
"This is a routine test for all pregnant women over thity years of age.".
This test is recommended for people with a history of infertility." "This test is used to identify fetal abnormalities.".
<p>This test is used to identify fetal abnormalities</p>
The Correct Answer is D
The correct answer is choice D: “This test is used to identify fetal abnormalities.” Alpha-fetoprotein (AFP) is a protein produced by the fetus that can be measured in the mother’s blood.
Abnormal levels of AFP may indicate a problem with the development of the baby’s brain, spine, or other organs.
This test is usually done between 15 and 20 weeks of gestation.
Choice A is wrong because AFP does not measure the baby’s maturity.
It is not related to the gestational age or the lung development of the fetus.
Choice B is wrong because AFP is not a routine test for all pregnant women over thirty years of age.
It is an optional screening test that may be offered to women who have a higher risk of having a baby with a birth defect, such as those who have a family history, a previous affected pregnancy, or certain ethnic backgrounds.
Choice C is wrong because AFP is not recommended for people with a history of infertility.
It does not assess the fertility status of the mother or the father.
It only measures the level of a fetal protein in the mother’s blood.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The correct answer is choice A: To minimize the patient’s oxygen needs.
A neutral thermal environment is an environment in which a neonate maintains a normal body temperature while minimizing energy expenditure and oxygen consumption.This is important for the wellbeing of neonates, especially those who are preterm or have respiratory insufficiency.
Choice B is wrong because the conversion of glucose to lactic acid is not a desired outcome of a neutral thermal environment.This conversion occurs when there is inadequate oxygen supply to the tissues, resulting in anaerobic metabolism and metabolic acidosis.
Choice C is wrong because the absorption of surfactant from the alveoli is not affected by a neutral thermal environment.
Surfactant is a substance that reduces surface tension and prevents alveolar collapse.It is produced by type II alveolar cells and secreted into the alveoli.
Choice D is wrong because the metabolism of brown fat stores is not a desired outcome of a neutral thermal environment.
Brown fat is a specialized tissue that generates heat by nonshivering thermogenesis in response to cold stress.
It is located in the nape of the neck, between the scapulae, and around the kidneys and adrenals.It increases the metabolic rate and oxygen consumption of neonates.
Correct Answer is C
Explanation
The correct answer is choice C. Caloric intake should be 300 calories above the suggested non-pregnant caloric intake.This is because women with gestational diabetes need to meet the nutritional needs of pregnancy and also control their blood glucose levels.
Choice A is wrong because carbohydrates should make up about 45% of the total dietary intake for women with gestational diabetes, not 25%.
Carbohydrates are important for providing energy and nutrients for the mother and the baby.
Choice B is wrong because animal protein can be included in the pre-bedtime snack as long as it is combined with some carbohydrates.
Protein can help prevent low blood glucose levels during the night.
Choice D is wrong because sugar substitutes do not help to control blood glucose levels.They may also have adverse effects on the baby’s development.Women with gestational diabetes should limit their intake of added sugars and choose foods with natural sugars instead.
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