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.)

Answer and Explanation

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.

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Correct Answer is B

Explanation

Choice A reason:
Notifying the provider of the findings is important, but it is not the immediate priority. The provider should be informed after initial measures to stabilize the client's condition have been taken.

Choice B reason:
Positioning the client with one hip elevated, also known as the lateral or left-lateral position, is the priority action. This position can help improve blood flow and potentially increase the maternal blood pressure, which is critically low at 92/54 mm Hg. It also helps to optimize uteroplacental perfusion, which is essential for the well-being of both the mother and the fetus.

Choice C reason:
Having the client void can be helpful in preventing bladder distention, which can interfere with labor progress. However, it is not the priority action when the client's blood pressure is significantly low.

Choice D reason:
Asking the client if she needs pain medication is an important part of comfort care during labor. However, addressing the client's low blood pressure is a more immediate concern to prevent potential complications for both the mother and the fetus.

A. Absence of vitamin K B. Physiologic jaundice C. Maternal cocaine abuse D. Maternal/newborn blood group incompatibility

Correct Answer is D

Explanation

Choice A rationale: Vitamin K deficiency in newborns can cause bleeding disorders due to impaired clotting, but it does not cause jaundice. Jaundice is related to bilirubin metabolism, not coagulation pathways.

Choice B rationale: Physiologic jaundice typically appears after 24 hours of life due to immature liver function. Jaundice observed immediately at birth suggests a pathologic cause, not physiologic immaturity.

Choice C rationale: Maternal cocaine abuse may cause neonatal irritability, tremors, or growth restriction, but it is not directly linked to jaundice. Cocaine affects neurobehavioral outcomes, not bilirubin metabolism.

Choice D rationale: Maternal/newborn blood group incompatibility (e.g., ABO or Rh) causes hemolysis of fetal red blood cells, leading to elevated bilirubin levels and jaundice within the first 24 hours—hallmark of pathologic jaundice.

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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.)

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Naxlex Comprehensive Predictor Exams

Correct Answer is B

Explanation

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Correct Answer is D

Explanation

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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.)

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