A nurse in a prenatal clinic is caring for a client who asks what her estimated date of delivery will be if her last menstrual period was May 4, 2015. The nurse uses Naegele's Rule to calculate the correct EDD:
April 27, 2016
April 11, 2016
February 27, 2016
February 11, 2016
The Correct Answer is D
The correct answer is: April 11, 2016
Choice A: April 27, 2016
Reason: Using Naegele’s Rule, the estimated date of delivery (EDD) is calculated by adding one year, subtracting three months, and adding seven days to the first day of the last menstrual period (LMP). For an LMP of May 4, 2015:
- Add one year: May 4, 2016
- Subtract three months: February 4, 2016
- Add seven days: February 11, 2016
April 27, 2016, is incorrect because it does not follow the correct calculation steps.
Choice B: April 11, 2016
Reason: Following Naegele’s Rule:
- Add one year: May 4, 2016
- Subtract three months: February 4, 2016
- Add seven days: February 11, 2016
April 11, 2016, is the correct EDD as it accurately follows the calculation steps.
Choice C: February 27, 2016
Reason: This date is incorrect because it does not follow the correct calculation steps of Naegele’s Rule. The correct EDD should be in April, not February.
Choice D: February 11, 2016
Reason: This date is also incorrect. While it follows the initial steps of Naegele’s Rule, it does not account for the full calculation, which should result in an April date, not February.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A: Quickening, which refers to the sensation of the baby moving in the womb, is considered a presumptive sign of pregnancy. It is called "presumptive" because it is subjective and can be attributed to other causes, such as gas or gastrointestinal movements.
B: Positive signs of pregnancy are those that are attributed only to the presence of a fetus, such as fetal heartbeat or visualization on ultrasound. Feeling the baby move (quickening) is not specific enough to confirm pregnancy on its own.
C: Probable signs of pregnancy are more objective and can be detected by a healthcare provider, such as a positive pregnancy test or ballottement (rebounding of the fetus against the examiner's fingers). Feeling the baby move is not a probable sign as it is subjective and can be attributed to other factors.
D: "Potential sign of pregnancy" is not a recognized classification in pregnancy signs.
Correct Answer is A
Explanation
A. Fetal position is persistent occiput posterior: The occiput posterior position (the back of
the baby's head facing the mother's back) can lead to a more challenging and prolonged labor with intense back pain.
B. Fetal attitude is in general flexion: Flexion is the normal fetal attitude for birth and does not contribute to a difficult labor with backache.
C. Fetal lie is longitudinal: Longitudinal lie refers to the baby's position along the mother's spine, but it doesn't specify the position of the baby's back, so it is not directly related to backache.
D. Maternal pelvis is gynecoid: Gynecoid pelvis is the most favorable pelvis shape for childbirth, so it is not likely to cause difficult labor with severe backache.
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