When a client reports using cocaine during her current pregnancy, which laboratory study should a nurse anticipate?
Urine estriol levels.
Serum bilirubin levels.
Urine toxicology studies.
Lecithin-sphingomyelin ratio.
The Correct Answer is C
This is because urine toxicology studies can detect the presence of cocaine and other drugs in the body of the pregnant woman and her unborn baby. Cocaine use during pregnancy can have serious consequences for both the mother and the baby, such as high blood pressure, premature labor, low birth weight, and developmental problems.
Choice A is wrong because urine estriol levels are used to measure the activity of the placenta and the fetal adrenal glands. They are not related to cocaine use.
Choice B is wrong because serum bilirubin levels are used to assess the liver function and the risk of jaundice in newborns. They are not related to cocaine use.
Choice D is wrong because lecithin-sphingomyelin ratio is used to evaluate the fetal lung maturity and the risk of respiratory distress syndrome. It is not related to cocaine use.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
The correct answer is choice D. The increase in maternal blood volume is greater than the increase in maternal red blood cells.
This means that the concentration of hemoglobin and hematocrit in the blood is diluted by the extra fluid.
This is a normal physiological adaptation to pregnancy and does not indicate iron deficiency anemia.
Choice A is wrong because placental hormones do not chelate maternal iron.
Chelation is a process of binding metal ions to organic molecules, which is not relevant to this question.
Choice B is wrong because fetal demand for iron is not greater than maternal intake.
The mother can meet the iron needs of the fetus by increasing her dietary intake and taking iron supplements.
Choice C is wrong because maternal intestinal absorption of iron is not decreased during pregnancy.
In fact, it may be increased due to higher levels of estrogen and progesterone.
Correct Answer is B
Explanation
The correct answer is choice B. Insulin amount needs will continue to increase throughout the second and third trimesters.This is because gestational diabetes is a form of diabetes that develops during pregnancy, usually during the 2nd or 3rd trimester.It is caused by hormonal changes that interfere with the action of insulin, leading to high blood sugar levels.As the pregnancy progresses, the placenta produces more hormones that increase insulin resistance, so the mother needs more insulin to keep her blood sugar within normal range.
Choice A is wrong because insulin amount needs will not remain stable during the third trimester.They will increase as the placenta grows and produces more hormones that cause insulin resistance.
Choice C is wrong because insulin amount needs will not decrease during the third trimester.They will increase as the placenta grows and produces more hormones that cause insulin resistance.
Choice D is wrong because insulin amount needs will not remain stable for the rest of the second and during the third trimesters.They will increase as the pregnancy progresses and the placenta produces more hormones that increase insulin resistance.
Normal ranges for blood sugar during pregnancy are: fasting < 95 mg/dL, 1 hour after meal < 140 mg/dL, 2 hours after meal < 120 mg/dL.
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