ATI LPN
ATI LPN N105 Maternity Exam Questions
Extract:
Mother concerned about breastfeeding
Question 1 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 2 of 5
A nurse is assisting with the preparation of an educational program on physiological changes during labor. Which of the following smooth muscle adaptations should the nurse identify as being responsible for facilitating cervical dilation and promoting descent of the fetus into the client pelvis and vaginal canal?
Correct Answer: A
Rationale: Uterine smooth muscle relaxation and contractions facilitate cervical dilation and fetal descent. Cervical constriction, pelvic stretching, and vaginal contractions are not primary mechanisms.
Extract:
Client at 10 weeks of gestation
Question 3 of 5
A nurse is assisting in the care of a client at 10 weeks of gestation who asks how the biological sex of the fetus is determined. Which of the following responses should the nurse make?
Correct Answer: B
Rationale: Biological sex is determined at fertilization by the combination of sex chromosomes (XX or XY). Implantation, foramen ovale, and blastocyst formation do not determine sex.
Extract:
None
Question 4 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.
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.