A woman arrives at the clinic for a pregnancy test.
Her last menstrual period (LMP) was February 14, 2019.
What is the client’s expected date of birth (EDB)?
September 17, 2019.
November 21, 2019.
December 17, 2019.
November 7, 2019.
The Correct Answer is B
Choice A rationale
Calculating from the LMP of February 14, 2019, the estimated date of birth using Naegele's rule would not fall in September.
Choice B rationale
Using Naegele's rule, adding 7 days to February 14 results in February 21, 2019, then subtracting 3 months, results in November 2019.
Choice C rationale
Naegele's rule calculates EDB by adding 7 days to the LMP and then subtracting 3 months. This does not lead to a November date.
Choice D rationale
While close, November 7 is not accurate. Naegele's rule would adjust from February 14, giving an EDB in mid to late November.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Placental insufficiency can cause late decelerations in fetal heart rate due to decreased blood flow, but it typically shows a gradual decrease rather than the abrupt patterns seen here.
Choice B rationale
Abruption usually presents with painful vaginal bleeding and a tender uterus, rather than specific changes in fetal heart rate patterns like those described in the question.
Choice C rationale
Head compression results in early decelerations, which appear as a mirror image of contractions, but these are not sudden drops in heart rate typically seen in cord compression.
Choice D rationale
Cord compression leads to variable decelerations characterized by sudden drops in fetal heart rate, caused by temporary reduction in oxygen flow to the fetus. This matches the tracing pattern described.
Correct Answer is A
Explanation
Choice A rationale
Indoor cats can carry Toxoplasma gondii, the parasite that causes toxoplasmosis. Exposure to cat feces increases the risk of infection, which can cross the placenta and harm the fetus.
Choice B rationale
Outdoor dogs do not pose a significant risk for toxoplasmosis as the disease is primarily associated with cat feces. The primary concern is soil contamination from infected cats.
Choice C rationale
Pet turtles do not carry Toxoplasma gondii. The primary zoonotic concern with turtles is Salmonella, not toxoplasmosis, which does not affect pregnancy in the same way.
Choice D rationale
Horses are not carriers of Toxoplasma gondii. They are not a source of infection for toxoplasmosis, and there is no increased risk associated with having a horse during pregnancy.
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