A nurse is caring for a client in the emergency department who is in active labor on December 26. The client reports their last menstrual period was around April 1. Which of the following ages is the anticipated gestational age of the fetus?
36 weeks.
38 weeks.
39 weeks.
42 weeks.
The Correct Answer is C
Step 1 is to determine the number of days from April 1 to December 26. Days in April = 30 - 1 + 1 = 30 days. Days in May = 31 days. Days in June = 30 days. Days in July = 31 days. Days in August = 31 days. Days in September = 30 days. Days in October = 31 days. Days in November = 30 days. Days in December = 26 days. Total number of days = 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 26 = 270 days.
Step 2 is to convert the total number of days into weeks. 270 days ÷ 7 days/week = 38.57 weeks.
Step 3 is to round to the nearest whole week. The anticipated gestational age is 39 weeks.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B"]
Explanation
Choice A rationale
Diphtheria-acellular pertussis (Tdap) vaccine is recommended for pregnant clients during the third trimester, specifically between 27 and 36 weeks of gestation. This timing optimizes the transfer of maternal antibodies to the fetus, providing passive immunity against pertussis (whooping cough) in the newborn during their vulnerable early months, before they are old enough to receive their own vaccinations.
Choice B rationale
Inactivated influenza vaccine is highly recommended for pregnant clients during any trimester of pregnancy. Pregnancy alters the immune system, making pregnant individuals more susceptible to severe complications from influenza. Vaccination protects both the mother and, through passive antibody transfer, the newborn from influenza infection.
Choice C rationale
Varicella vaccine is a live attenuated vaccine and is contraindicated during pregnancy due to the theoretical risk of fetal infection. While the actual risk is very low, it is generally deferred until the postpartum period. Women of childbearing age should be screened for immunity and vaccinated if non-immune prior to conception or postpartum.
Choice D rationale
Measles, mumps, and rubella (MMR) vaccine is a live attenuated vaccine and is contraindicated during pregnancy due to the theoretical risk of fetal infection, particularly with rubella. Rubella infection during pregnancy can lead to congenital rubella syndrome, causing severe birth defects. Vaccination should occur before conception or postpartum.
Choice E rationale
Human papillomavirus (HPV) vaccine is not routinely recommended during pregnancy. While current data do not suggest harm, the vaccine has not been extensively studied in pregnant individuals. Vaccination should be completed before pregnancy or deferred until the postpartum period.
Correct Answer is B
Explanation
Choice A rationale
Consuming 27 mg of iron daily is within the recommended intake for pregnant individuals, which is typically around 27 mg per day. Iron is crucial for fetal growth and preventing maternal anemia, and this intake level supports healthy pregnancy outcomes, indicating a reduced risk factor.
Choice B rationale
Consuming 300 mg of caffeine daily is considered a high-risk lifestyle factor during pregnancy. High caffeine intake is associated with an increased risk of miscarriage, preterm birth, and low birth weight infants. The recommended limit for pregnant individuals is generally below 200 mg per day to mitigate these risks.
Choice C rationale
Consuming 3 L (101 oz) of water daily is a healthy practice during pregnancy. Adequate hydration is essential for maintaining blood volume, amniotic fluid levels, and preventing constipation and urinary tract infections. This intake level supports maternal and fetal health.
Choice D rationale
Consuming 400 mcg of folate daily is the recommended intake for pregnant individuals, particularly in the periconceptional period. Folic acid supplementation significantly reduces the risk of neural tube defects in the fetus, promoting a healthy pregnancy outcome and indicating a reduced risk factor.
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