The nurse is counseling a woman who wants to become pregnant. The woman tells the nurse that she has a 28-day menstrual cycle and the first day of her menstrual period was January 8. The nurse correctly calculates that the woman's next fertile period is?
February 6-7
January 22-23
January 30-31
January 14-15
The Correct Answer is B
Choice A: February 6-7 is incorrect. This is too late for the woman's fertile period, which occurs around the time of ovulation. Ovulation usually happens about 14 days before the next period starts, which would be around January 22 for a 28-day cycle¹.
Choice B: In a 28-day menstrual cycle, ovulation typically occurs around day 14 (counting from the first day of the last menstrual period). Since the first day of the last period is January 8, day 14 falls on January 22. The fertile window consists of the five days leading up to ovulation and the day of ovulation (January 17–22), as sperm can survive in the reproductive tract for up to 5 days, and the egg remains viable for about 24 hours after ovulation. January 22-23 is the most fertile period, with ovulation occurring around January 22 and the egg remaining viable for fertilization on January 23.
Choice C: January 30-31 is incorrect. This is after the woman's fertile period, which ends about a day after ovulation. Ovulation usually happens about 14 days before the next period starts, which would be around January 22 for a 28-day cycle.
Choice D: January 14-15 corresponds to cycle days 7-8, which is too early for ovulation in a typical 28-day cycle. Ovulation generally occurs around day 14 (January 22). The follicular phase (the first half of the cycle) is when the follicles in the ovary mature, and estrogen levels rise to trigger ovulation. At this point (January 14-15), the egg is not yet released, and the uterus is still preparing for ovulation, making conception unlikely.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: This is not the correct action, as the rate is not within normal limits. A normal FHR at 30 weeks of gestation is between 110 and 160 beats/min. A rate of 82 beats/min is considered bradycardia (slow heart rate), which can indicate fetal distress or hypoxia (low oxygen).
Choice B reason: This is not the first action, but it may be necessary after confirming the FHR. The nurse should first rule out the possibility of a maternal-fetal heart rate confusion, which can occur when the maternal heart rate is mistakenly counted as the FHR. This can happen if the Doppler or the electronic fetal monitor is placed too close to the maternal pulse or if the maternal heart rate is unusually slow².
Choice C reason: This is the correct action, as it can help differentiate between the maternal and the fetal heart rate. The nurse should assess the woman's radial pulse at the same time as listening to the FHR and compare the rates and rhythms. If the rates are the same or very close, it is likely that the nurse is hearing the maternal heart rate instead of the FHR. If the rates are different, it is likely that the nurse is hearing the FHR and that the fetus has bradycardia.
Choice D reason: This is not the correct action, as it may cause unnecessary anxiety or distress for the woman. The nurse should not allow the woman to hear the heartbeat until the FHR is confirmed and the cause of the bradycardia is determined. The nurse should also explain the situation to the woman and provide reassurance and support.
Correct Answer is D
Explanation
Choice A reason: A blood pressure increase to 138/86 mm Hg is not a concerning finding for preeclampsia. The diagnostic criteria for preeclampsia include a BP of 140/90 mm Hg or higher on two occasions at least 4 hours apart, or a BP of 160/110 mm Hg or higher on one occasion.
Choice B reason: Pitting pedal edema at the end of the day is not a concerning finding for preeclampsia. Edema is a common symptom of pregnancy and can be influenced by factors such as hydration, activity, and posture. Edema is not a reliable indicator of preeclampsia.
Choice C reason: Weight gain of 0.5 kg during the past 2 weeks is not a concerning finding for preeclampsia. The recommended weight gain for a normal-weight woman during pregnancy is 11.5 to 16 kg, with an average of 0.4 kg per week in the second and third trimesters.
Choice D reason: A dipstick value of 3+ for protein in her urine is a concerning finding for preeclampsia. Proteinuria is one of the hallmark signs of preeclampsia and indicates renal impairment. A dipstick value of 3+ corresponds to a protein concentration of 300 mg/dL or higher, which is considered severe.
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