A woman who is trying to get pregnant tells the nurse that she was very disappointed several months ago when she was informed that her positive pregnancy test was a false positive. Which method of determining pregnancy provides the greatest degree of accuracy?
Visualization of implantation by vaginal ultrasound.
Maternal blood serum tests positive for alpha-fetoprotein.
Presence of amenorrhea for 2 months.
Reports feeling tired all of the time.
The Correct Answer is A
Choice A rationale
Visualization of implantation by vaginal ultrasound offers the highest accuracy in confirming pregnancy, as it directly visualizes the implanted embryo, eliminating errors associated with biochemical tests.
Choice B rationale
Maternal blood serum tests positive for alpha-fetoprotein do not confirm pregnancy. Alpha-fetoprotein is a marker used primarily for screening fetal abnormalities, not pregnancy determination.
Choice C rationale
The presence of amenorrhea for 2 months can suggest pregnancy but is not definitive due to other potential causes of missed periods, such as hormonal imbalances or stress, reducing its accuracy.
Choice D rationale
Reporting feeling tired all the time is a nonspecific symptom that can result from numerous conditions unrelated to pregnancy, making it an unreliable method for pregnancy determination.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Yogurt is not a significant source of folic acid, providing minimal contribution to the daily requirement needed during pregnancy.
Choice B rationale
Whole milk is not a substantial source of folic acid, contributing little to meeting the daily folic acid requirement for pregnant women.
Choice C rationale
Collard greens are rich in folic acid, but the client's dislike for green leafy vegetables makes them unsuitable in this context.
Choice D rationale
Strawberries are a good source of folic acid and can help meet the recommended daily intake for folic acid in pregnant women.
Correct Answer is B
Explanation
Choice A rationale
Starting oxytocin infusion immediately may cause uterine hyperstimulation in clients who have already responded to misoprostol. Close monitoring and spacing out uterotonic agents help prevent adverse effects like uterine tachysystole and fetal distress.
Choice B rationale
Beginning oxytocin 4 hours after misoprostol ensures sufficient time for cervical ripening and reduces the risk of uterine hyperstimulation. This allows for safer labor induction and better outcomes for both mother and fetus.
Choice C rationale
Ambulating the client after misoprostol administration is generally safe but doesn't address the need for controlled uterotonic administration. Monitoring and timing of further uterotonics are crucial to avoid adverse effects and ensure safe induction.
Choice D rationale
Administering misoprostol every 2 hours is not recommended due to the risk of uterine hyperstimulation. It’s important to follow safe dosing intervals to reduce the risk of complications such as uterine tachysystole and fetal compromise.
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