ATI RN
ATI Maternal Newborn Midterm Exam 1 Questions
Extract:
A mother who smokes cigarettes while pregnant.
Question 1 of 5
What is the most dangerous effect on the fetus of a mother who smokes cigarettes while pregnant?
Correct Answer: B
Rationale: Smoking causes IUGR by reducing fetal oxygen, posing the greatest risk, compared to rare genetic changes, treatable addiction, or less severe CNS effects.
Extract:
None specified.
Question 2 of 5
What is the result of a nonstress test (NST) in which two or more fetal heart rate (FHR) accelerations of 15 beats/min or more occur with fetal movement in a 20-minute period?
Correct Answer: B
Rationale: Two or more accelerations define a reactive NST, indicating fetal health, unlike nonreactive, positive, or negative, which apply to other tests.
Extract:
A pregnant woman with a maternal condition.
Question 3 of 5
What maternal condition always requires delivery by cesarean section?
Correct Answer: D
Rationale:
Total placenta previa blocks the cervix, necessitating cesarean, unlike partial abruptio, ectopic pregnancy, or eclampsia, which may allow vaginal delivery.
Extract:
A laboring woman.
Question 4 of 5
What is the cause of early decelerations in the fetal heart rate (FHR) of a laboring woman?
Correct Answer: A
Rationale: Early decelerations result from fetal head compression during contractions, unlike cord compression, insufficiency, or membrane rupture, which cause other patterns.
Extract:
None specified.
Question 5 of 5
Why is glucose metabolism profoundly affected during pregnancy?
Correct Answer: B
Rationale: Placental hormones like human placental lactogen cause insulin resistance, ensuring fetal glucose supply, unlike rapid use, pancreatic issues, or diet changes.