Ricci Chapter 10 - Test Bank - 4th Edition Study Guide Rated A+

8. A couple comes to the clinic for preconception counseling and care. As part of the visit, the nurse teaches the couple about fertilization and initial development, stating that the zygote formed by the union of the ovum and sperm consists of how many chromosomes? A. 22 B. 23 C. 44 D. 46 {Ans: Answer: D Rationale: With fertilization, the ovum, containing 23 chromosomes, and the sperm, containing 23 chromosomes, join, forming a zygote with a diploid number or 46 chromosomes.}22. At a prenatal class, the participants ask the nurse who would benefit from genetic counseling. Which responses by the nurse are correct? Select all that apply. A. "A woman who is a grand multigravida." B. "A woman whose husband is age 50 years or older." C. "A woman who has been exposed to teratogens." D. "A young teenager experiencing her first pregnancy." E. "A woman who receives an abnormal alpha-fetoprotein result." {Ans: Answer: B, C, E Rationale: Those shown to benefit from genetic counseling are women over the maternal age 35 years or older when the baby is born; couples where the paternal age is 50 years or older; when a pregnancy screening abnormality is noted, including