A client who is a primipara is completing admission forms at her first obstetrical clinic visit.
Which information shared is needed by the practical nurse (PN) to accurately assign an estimated date of birth (EDB)?
Last day of last normal menstrual period.
Average duration of menstrual periods.
Average frequency of menstrual periods.
First day of last normal menstrual period.
The Correct Answer is D
Choice A rationale
The last day of the last normal menstrual period would not accurately establish the estimated date of birth because calculations for gestational age commence from the onset of the cycle. Conception typically occurs around two weeks after the first day, so using the last day would lead to an underestimation of gestational age.
Choice B rationale
The average duration of menstrual periods, while providing insight into cycle regularity, does not offer the precise temporal marker needed for gestational age calculation. Nägele's rule specifically requires the first day of the last menstrual period, not the length of bleeding, to accurately estimate the delivery date.
Choice C rationale
The average frequency of menstrual periods, though indicating cycle regularity or irregularity, is not the specific data point required for estimating the delivery date. Nägele's rule relies on a fixed reference point, which is the beginning of the last menstrual cycle, not the intervals between cycles.
Choice D rationale
The first day of the last normal menstrual period (LMP) is crucial for accurately assigning an estimated date of birth (EDB) using Nägele's rule. This calculation adds 7 days to the LMP and subtracts 3 months, providing a standardized method for determining gestational age and anticipated delivery.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Preterm birth can be a complication of gestational diabetes due to polyhydramnios or preeclampsia, but macrosomia carries a higher risk of birth trauma and neonatal complications. Prematurity can lead to respiratory distress syndrome and other developmental challenges.
Choice B rationale
Macrosomic newborn is the greatest risk to the fetus if euglycemia is not maintained. High maternal glucose levels lead to excessive fetal insulin production, resulting in increased fat deposition and growth. This can cause birth injuries, hypoglycemia, and respiratory distress in the neonate.
Choice C rationale
Low birth weight is typically associated with maternal malnutrition or placental insufficiency, not poorly controlled gestational diabetes. Uncontrolled gestational diabetes usually leads to fetal overgrowth (macrosomia) due to constant glucose supply.
Choice D rationale
Cleft palate is a congenital anomaly primarily linked to genetic and environmental factors during early fetal development, not directly or primarily to poorly controlled gestational diabetes. Metabolic imbalances of diabetes are not a primary cause of such structural malformations.
Correct Answer is A
Explanation
Choice A rationale
Applying a cold pack to the perineum after a vaginal delivery effectively reduces localized edema and inflammation. Cold therapy causes vasoconstriction, which decreases blood flow to the area, thereby minimizing fluid extravasation into the interstitial spaces and reducing swelling of the episiotomy site.
Choice B rationale
While cold packs do provide a degree of comfort by numbing nerve endings and reducing pain signals, their primary physiological benefit in the postpartum period is the reduction of swelling and inflammation, which indirectly contributes to comfort. Comfort is a secondary effect.
Choice C rationale
The statement is incorrect. Cold therapy is a recognized and effective intervention postpartum. While it may help reduce bruising by limiting subcutaneous bleeding, its most significant and immediate benefit relates to the reduction of swelling and pain.
Choice D rationale
While cold can induce vasoconstriction and thus potentially reduce bleeding, it is not the primary or most effective method for controlling significant postpartum hemorrhage. Fundal massage and uterotonics are the primary interventions for controlling postpartum bleeding.
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