A nurse in a prenatal clinic is determining a client’s estimated date of delivery using Naegels rule. The first day of her last menstrual period was May 4. Which of the following dates should the nurse tell the client is her estimated date of delivery?
February 11
April 27
February 27
April 11
The Correct Answer is A
A. February 11:
The first day of the client’s last menstrual period is May 4.
- Subtract 3 months: May → April → March → February.
- Add 7 days: 4 + 7 = 11.
- The EDD is February 11.
B. April 27: This date is beyond 40 weeks of pregnancy. Using Naegele's rule correctly should result in a February due date, not an April date.
C. February 27: While February is the correct month, this date does not align with Naegele’s Rule because the addition of 7 days to May 4 results in February 11, not February 27.
D. April 11: April 11 places the due date in the wrong month. This choice may result from adding 7 days without adjusting the months correctly when subtracting 3 months.
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Related Questions
Correct Answer is A
Explanation
A. By subtracting 3 months from the first day of the client's last menstrual cycle and then adding 7 days and 1 year: This is Naegele's rule for estimating the due date: subtract 3 months from the first day of the last menstrual period (LMP), add 7 days, and then add 1 year.
B. By adding 3 months to the first day of the client's last menstrual cycle and then subtracting 7 days and 1 year: This reverses the correct order. You subtract 3 months, not add.
C. By subtracting 7 days from the first day of the client's last menstrual cycle and then adding 3 months and 1 year: This calculation incorrectly subtracts days instead of adding days.
D. By adding 7 days to the first day of the client's last menstrual cycle and then subtracting 3 months and 1 year: The rule adds days and subtracts months, but adding a year here is not correct. You add 1 year at the end.
Correct Answer is A
Explanation
A. "You will need an immunization following delivery." A negative rubella titer indicates the client is not immune to rubella. Since the rubella vaccine is a live vaccine, it cannot be given during pregnancy but should be administered postpartum to protect the client and future pregnancies.
B. "You are immune to rubella." A negative rubella titer indicates the client is not immune to rubella.
C. "I will administer the rubella immunization to you today." The rubella vaccine cannot be administered during pregnancy due to the risk of congenital rubella syndrome in the fetus, as it is a live attenuated vaccine.
D. "You had the rubella infection as a child." A negative rubella titer means there is no immunity, so the client likely has not had the rubella infection or the immunity has waned.
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