A nurse in a prenatal clinic is caring for a client who is pregnant and asks the nurse for her estimated date of birth (EDB). The client's last menstrual period began on July 27. What is the client's EDB? (State the date in MMDD format. For example, July 27 is 0727.)
The Correct Answer is ["0504"]
To calculate the estimated date of birth (EDB), also known as the due date, we use Naegele's Rule, which involves adding one year, subtracting three months, and adding seven days to the first day of the last menstrual period (LMP). Using this rule, if the LMP was on July 27, the EDB would be:
- Add one year: July 27, 2024
- Subtract three months: April 27, 2024
- Add seven days: May 4, 2024
Therefore, the EDB in MMDD format is 0504.
Reason:
Naegele's Rule is a standard way of calculating the due date for a pregnancy. The rule estimates the expected date of delivery (EDD) by adding one year, subtracting three months, and adding seven days to the date of a woman's last menstrual period (LMP). This calculation assumes a regular menstrual cycle of 28 days and ovulation occurring on the 14th day of the cycle. The EDB is typically set at 40 weeks from the LMP, which is approximately 280 days. While this method provides an estimate, only about 4% of births occur on the exact due date, and most births occur within a range of two weeks before or after the estimated due date.
It's important to note that the EDB is an estimate and can be influenced by factors such as the length of menstrual cycles, the exact day of ovulation, and the date of conception. Ultrasounds and other prenatal tests can provide additional information to refine the due date estimate as the pregnancy progresses.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice a reason:
Methylergonovine is a medication used to prevent or control postpartum hemorrhage by contracting the uterus. However, it is contraindicated in patients with hypertension, as it can further increase blood pressure. Given that the client's blood pressure is already elevated at 146/94 mm Hg, administering methylergonovine could pose a risk. Therefore, this prescription requires clarification from the provider before administration.
Choice b reason:
Inserting an indwelling urinary catheter can be a standard procedure after vaginal birth if the client is unable to void or if accurate measurement of urine output is needed. This does not require clarification unless there are specific contraindications or the client's condition does not warrant it.
Choice c reason:
Obtaining a laboratory study of prothrombin and partial thromboplastin time is a common practice to assess the blood's clotting ability, especially if there is a concern for bleeding disorders or if the client is at risk for postpartum hemorrhage. This prescription is clear and does not require further clarification.
Choice d reason:
Administering oxygen by nonrebreather mask at 5 L/min may be indicated if the client is showing signs of respiratory distress or hypoxia. The client's current respiratory rate is within normal limits, but if there are concerns about oxygenation, this intervention would be appropriate.
Correct Answer is A
Explanation
Choice a reason:
Hydration is crucial during pregnancy, especially for those with preeclampsia. Adequate water intake helps maintain blood volume and reduce blood viscosity, which can help manage blood pressure levels. Drinking 48 to 64 ounces of water daily is recommended to support the increased blood volume needed during pregnancy and to help prevent dehydration, which can exacerbate preeclampsia symptoms.
Choice b reason:
While reducing salt intake can be beneficial for managing blood pressure, it is not necessary to completely avoid salting foods during cooking. Instead, moderation is key. Excessive salt can lead to water retention, which can worsen preeclampsia, but some salt is needed for electrolyte balance and proper body function.
Choice c reason:
Protein is an essential nutrient for fetal growth and the repair and maintenance of maternal tissues. A daily intake of 40 to 50 grams of protein is generally recommended during pregnancy. However, for those with preeclampsia, protein needs may be higher due to potential protein loss in the urine. It's important to monitor protein intake and adjust as needed under medical guidance.
Choice d reason:
Limiting the intake of whole grains, raw fruits, and vegetables is not recommended. These foods provide essential nutrients, fiber, and antioxidants that are beneficial for both maternal and fetal health. They should be included as part of a balanced diet unless there are specific dietary restrictions advised by a healthcare provider.
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