ATI LPN
ATI LPN N105 Maternity Exam Questions
Extract:
None
Question 1 of 5
In fetal circulation, the ductus venosus diverts blood from which of the following organs?
Correct Answer: D
Rationale: The ductus venosus allows oxygen-rich blood from the umbilical vein to bypass the liver and flow into the inferior vena cava, ensuring well-oxygenated blood reaches vital fetal organs. The lungs are bypassed by the foramen ovale and ductus arteriosus, and the heart and kidneys are not bypassed by the ductus venosus.
Extract:
Client before conception
Question 2 of 5
A nurse is reinforcing preconception teaching with a client. Which of the following statements should the nurse include regarding alcohol consumption during pregnancy?
Correct Answer: A
Rationale: No safe level of alcohol exists during pregnancy due to risks of fetal alcohol spectrum disorders. Any alcohol consumption can harm the fetus, and there is a clear link to developmental delays.
Extract:
Client at 17 weeks of gestation
Question 3 of 5
A nurse is reinforcing teaching with a client who is at 17 weeks of gestation and is scheduled to have a maternal serum alpha-fetoprotein (MSAFP) determination. Which of the following information should the nurse include?
Correct Answer: D
Rationale: MSAFP screens for neural tube defects like spina bifida and chromosomal abnormalities. It does not screen for gestational diabetes, fetal maturity, or ABO incompatibility.
Extract:
None
Question 4 of 5
A nurse is discussing cardiovascular changes during pregnancy with a newly licensed nurse. Which of the following information should the nurse include?
Correct Answer: B
Rationale: Heart rate increases by 10 to 15 beats per minute to meet increased oxygen demands. Blood pressure typically decreases, blood viscosity decreases due to hemodilution, and cardiac workload increases.
Question 5 of 5
Which maternal hormone reduces uterine contractions to prevent spontaneous abortions?
Correct Answer: D
Rationale: Progesterone inhibits uterine contractions, maintaining pregnancy and preventing spontaneous abortion. Estrogen, testosterone, and aldosterone have other roles.