The nurse teaches a pregnant patient about the signs of pregnancy. The patient demonstrates understanding when she states that a positive sign of pregnancy is:
quickening experienced by the patient.
patient reports of a positive pregnancy test.
Braxton Hicks contractions felt by the patient.
fetal movement palpated by the provider.
The Correct Answer is D
A. Quickening experienced by the patient is incorrect because quickening (the first perception of fetal movement by the mother) is considered a presumptive sign of pregnancy, not a positive sign. While it suggests pregnancy, it can be mistaken for gastrointestinal activity.
B. Patient reports of a positive pregnancy test is incorrect because this is a probable sign of pregnancy. Laboratory tests detecting human chorionic gonadotropin (hCG) are more reliable than presumptive signs, but they can occasionally give false positives (e.g., due to certain medications or medical conditions).
C. Braxton Hicks contractions felt by the patient is incorrect because these are also presumptive or possible signs of pregnancy. They indicate uterine activity, but they do not confirm the presence of a fetus.
D. Fetal movement palpated by the provider is correct. This is considered a positive sign of pregnancy, as only a developing fetus can cause these movements to be felt by an examiner. Other positive signs include visualization of the fetus on ultrasound and auscultation of the fetal heartbeat. Positive signs provide definitive confirmation of pregnancy, distinguishing them from presumptive or probable signs.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. "It depends on what caused the defect" is incorrect because while risk factors may vary, the critical period for heart development is well-established. Heart formation occurs during a specific window in fetal development, regardless of the cause.
B. "They usually occur in the first 2 weeks of development" is incorrect because the first two weeks after fertilization (the pre-embryonic period) involve cellular proliferation and implantation, not organ formation. Heart structures have not yet developed during this period.
C. "We don't really know when such defects occur" is incorrect because the timing of congenital heart development is well-documented. Most defects arise during a defined embryonic period.
D. "They occur between the third and eighth weeks of development" is correct. The heart begins forming in the third week after fertilization, and most major structural cardiac development occurs by the eighth week. Exposure to teratogens, maternal illnesses, or genetic factors during this period can lead to congenital heart defects.
Correct Answer is ["0.11"]
Explanation
Given:
- Patient weight = 5.6 kg
- Digoxin safe dose = 0.03–0.06 mg/kg/day
Step 1: Calculate the maximum daily dose
Maximum dose = 0.06 mg/kg/day × 5.6 kg
0.06 × 5.6 = 0.336 mg/day
Step 2: Round to the nearest hundredth
0.336 → 0.34 mg/day
Step 3: Divide by the number of doses per day (every 8 hours → 3 times/day)
Maximum single dose = 0.34 mg ÷ 3
0.34 ÷ 3 ≈ 0.1133 mg
Rounded to the nearest hundredth → 0.11 mg per dose
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