ATI LPN
ATI LPN N105 Maternity Exam Questions
Extract:
Client at 17 weeks of gestation
Question 1 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 2 of 5
The nurse is presenting a conference on gene dominance. What does the nurse report as the percentage of children carrying the dominant gene if one parent has a dominant gene and the other parent does not?
Correct Answer: B
Rationale: If one parent is heterozygous for a dominant gene and the other has two recessive alleles, each child has a 50% chance of inheriting the dominant gene, per Mendelian inheritance.
Question 3 of 5
A nurse is reinforcing teaching of a newly licensed nurse about hyperemesis gravidarum. Which of the following statements by the newly licensed nurse indicates the reinforced teaching was effective?
Correct Answer: C
Rationale: Elevated hCG levels are linked to hyperemesis gravidarum, contributing to severe nausea and vomiting. Decreased saliva, gastric secretions, or second-trimester onset are incorrect.
Extract:
Mother concerned about breastfeeding
Question 4 of 5
A mother is anxious about her ability to breastfeed after her child is born because of her small breast size. What would be an important point to teach this mother?
Correct Answer: D
Rationale: Milk production occurs in mammary glands (ducts and lobules) and is not dependent on breast size. Drinking milk, formula supplementation, and exercise do not address the ability to produce milk.
Extract:
None
Question 5 of 5
Where is the most common site for fertilization?
Correct Answer: C
Rationale: Fertilization typically occurs in the outer third of the fallopian tube near the ovary, where the sperm meets the egg post-ovulation. The uterus is for implantation, not fertilization.