ATI RN
ATI Maternal Newborn Midterm Exam 1 Questions
Extract:
A client whose last menstrual period started on February 13th.
Question 1 of 5
The nurse is calculating the estimated date of confinement (EDC) using Nagele's rule for a client whose last menstrual period started on February 13th. Which date is most accurate?
Correct Answer: A
Rationale: Nagele's rule calculates EDC by subtracting 3 months from the first day of the last menstrual period and adding 7 days. For February 13, subtracting 3 months gives November 13, and adding 7 days results in November 20, making it the most accurate date.
Extract:
A pregnant woman with gestational diabetes mellitus at 24 weeks.
Question 2 of 5
Screening at 24 weeks of gestation reveals that a pregnant woman has gestational diabetes mellitus (GDM). In planning her care, the nurse and the woman mutually agree that an expected outcome is to prevent injury to the fetus as a result of GDM. The nurse identifies that the fetus is at greatest risk for:
Correct Answer: C
Rationale: GDM increases fetal macrosomia risk due to excess glucose, causing delivery complications. Low birth weight and CNS anomalies are less common.
Extract:
None specified.
Question 3 of 5
The maternity nurse understands that vascular volume increases 40% to 45% during pregnancy to:
Correct Answer: C
Rationale: Increased vascular volume ensures placental perfusion, critical for fetal oxygen and nutrient delivery. Renal plasma flow increases, dehydration prevention is secondary, and waste elimination is not the primary purpose.
Extract:
A woman who was 30 lbs overweight before pregnancy.
Question 4 of 5
Which pregnant woman should restrict her weight gain during pregnancy?
Correct Answer: C
Rationale: Overweight women should limit weight gain to reduce risks like gestational diabetes. Short women, adolescents, and twin pregnancies require higher weight gain.
Extract:
None specified.
Question 5 of 5
The hormone responsible for maturation of mammary gland tissue is:
Correct Answer: A
Rationale: Progesterone drives alveolar and lobular development in mammary glands during pregnancy, unlike testosterone, prolactin, or estrogen.