ATI RN
ATI Maternal Newborn Midterm Questions
Extract:
Mammary gland tissue maturation
Question 1 of 5
The hormone responsible for maturation of mammary gland tissue is:
Correct Answer: A
Rationale: Progesterone promotes alveolar and lobular development in mammary glands during pregnancy, preparing for lactation. Other hormones have different roles.
Extract:
Fetal heart rate variability
Question 2 of 5
The most common cause of decreased variability in the fetal heart rate (FHR) that lasts 30 minutes or less is:
Correct Answer: A
Rationale: Fetal sleep cycles naturally reduce FHR variability for short periods and are benign. Compression, cerebral blood flow issues, or hypoxemia indicate distress and are less common.
Extract:
Pregnant woman
Question 3 of 5
The maternity nurse understands that vascular volume increases 40% to 45% during pregnancy to:
Correct Answer: C
Rationale: Vascular volume increases to supply the placenta, ensuring fetal oxygenation and nutrition. Renal plasma flow increases, dehydration prevention relies on fluid intake, and waste elimination is handled by other systems.
Extract:
Inadequate weight gain during pregnancy
Question 4 of 5
What are the possible consequences of inadequate weight gain during pregnancy for the infant?
Correct Answer: D
Rationale: Inadequate weight gain risks IUGR, leading to low birth weight and complications. Diabetes, Down syndrome, and spina bifida have different causes.
Extract:
A woman at 10 weeks of gestation with presumptive signs and symptoms of pregnancy
Question 5 of 5
A woman at 10 weeks of gestation who is seen in the prenatal clinic with presumptive signs and symptoms of pregnancy likely will have:
Correct Answer: C
Rationale: At 10 weeks, a positive pregnancy test is a presumptive sign due to detectable hCG levels. Chadwick's and Hegar's signs are probable signs observed by examiners, not felt by the woman. Amenorrhea is presumptive but less specific, as other causes exist.