ATI RN
Conception and Fetal Development NCLEX Questions Quizlet Questions
Question 1 of 9
In which structure does fertilization usually occur?
Correct Answer: C
Rationale: Fertilization typically occurs in the fallopian tube, where the sperm meets the ovum.
Question 2 of 9
With regard to the estimation and interpretation of the recurrence of risks for genetic disorders, nurses should be aware that:
Correct Answer: D
Rationale: Each pregnancy is an independent event. The risk factor remains the same for each child.
Question 3 of 9
A patient at 34 weeks gestation is undergoing an ultrasound. The nurse notes that the amniotic fluid is estimated at between 500 and 600 mL. Which deduction does the nurse make from this finding?
Correct Answer: A
Rationale: Oligohydramnios, or low amniotic fluid, is indicated by the reduced volume, requiring close monitoring.
Question 4 of 9
A man's wife is pregnant for the third time. One child was born with cystic fibrosis, and the other child is healthy. The man wonders what the chance is that this child will have cystic fibrosis. This type of testing is known as:
Correct Answer: B
Rationale: The couple already has a child with a genetic disease so they will be given a recurrence risk test.
Question 5 of 9
A father and mother are carriers of phenylketonuria (PKU). Their 2-year-old daughter has PKU. The couple tells the nurse that they are planning to have a second baby. Because their daughter has PKU, they are sure that their next baby won't be affected. What response by the nurse is most accurate?
Correct Answer: C
Rationale: Each child produced by this couple has a 25% chance of being affected by PKU disorder.
Question 6 of 9
A student nurse is learning about prenatal testing for fetal genetic disorders and neural tube defects. What prenatal tests are screening tests in the second trimester? Select all that apply.
Correct Answer: B
Rationale: Screening tests include multiple markers and alpha-fetoprotein, while amniocentesis and CVS are diagnostic.
Question 7 of 9
One of the assessments performed in the birth room is checking the umbilical cord for blood vessels. Which finding is considered to be within normal limits?
Correct Answer: A
Rationale: In a normal umbilical cord, there should be two vessels present - one artery and one vein. The most common finding is having one umbilical vein and two umbilical arteries, but it is also considered within normal limits to have one artery and one vein. This is important as an abnormal number of blood vessels in the umbilical cord can indicate potential issues like congenital abnormalities or genetic conditions.
Question 8 of 9
Match each term with its description. Zygote
Correct Answer: C
Rationale: Zygote develops into the embryo.
Question 9 of 9
Fetal circulation includes 3 shunts. Match each shunt to its physiologic action. Foramen ovale
Correct Answer: B
Rationale: Foramen ovale connects the right and left atria.