How is the estimated due date in pregnancy calculated?
By subtracting 3 months from the first day of the client's last menstrual cycle and then adding 7 days and 1 year
By adding 3 months to the first day of the client's last menstrual cycle and then subtracting 7 days and 1 year
By subtracting 7 days from the first day of the client's last menstrual cycle and then adding 3 months and 1 year
By adding 7 days to the first day of the client's last menstrual cycle and then subtracting 3 months and 1 year
The Correct Answer is A
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Location of the placenta: Heavy, painless vaginal bleeding without contractions is a classic sign of placenta previa, where the placenta is abnormally positioned near or over the cervix. An ultrasound is used to determine placental location.
B. Rh incompatibility: Rh incompatibility is not associated with heavy vaginal bleeding, and ultrasound is not used to diagnose it. A blood test is required to assess Rh status.
C. Fetal lung maturity: Fetal lung maturity may be assessed in certain situations, but this is not related to the client's bleeding. The immediate concern is placental location.
D. Frequency and duration of contractions: The client has no contractions, and contractions are not the cause of heavy bleeding in this case. The priority is identifying placental issues.
Correct Answer is D
Explanation
A. A high-fiber meal: While fiber is beneficial for preventing constipation, which can occur with iron supplementation, fiber may decrease iron absorption.
B. Milk. Calcium in milk interferes with the absorption of iron and should be avoided when taking ferrous sulfate.
C. Scrambled eggs. Eggs contain phosphates and other compounds that may reduce iron absorption.
D. Orange juice. Vitamin C (found in orange juice) enhances the absorption of iron from supplements and is the best option for improving iron absorption.
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