NUR 353 Exam 1 with Questions and Answers

NUR 353 Exam 1 with Questions and Answers The student nurse is giving a presentation about milestones in embryonic development. Which information should he or she include? a. At 8 weeks of gestation, primary lung and urethral buds appear. b. At 12 weeks of gestation, the vagina is open or the testes are in position for descent into the scrotum. c. At 20 weeks of age, the vernix caseosa and lanugo appear. d. At 24 weeks of age, the skin is smooth, and subcutaneous fat is beginning to collect. ANSWER C (The primary lung and urethral buds appear at 6 weeks of gestation. The vagina is open or the testes are in position for descent into the scrotum at 16 weeks. Two milestones that occur at 20 weeks are the appearance of the vernix caseosa and lanugo. The appearance of smooth skin occurs at 28 weeks, and subcutaneous fat begins to collect at 30 to 31 weeks.) A maternity nurse should be aware of which fact about the amniotic fluid? a. It serves as a source of oral fluid and as a repository for waste from the fetus. b. The volume remains about the same throughout the term of a healthy pregnancy. c. A volume of less than 300 mL is associated with gastrointestinal malformations. d. A volume of more than 2 L is associated with fetal renal abnormalities ANSWER A (Amniotic fluid also cushions the fetus and helps maintain a constant body temperature. The volume of amniotic fluid changes constantly. Too little amniotic fluid (oligohydramnios) is associated with renal abnormalities. Too much amniotic fluid (hydramnios) is associated with gastrointestinal and other abnormalities.)