ATI RN Maternal Newborn 2026 Proctored OB
Exam: 100 Practice Questions with Answers,
Rationales, and Complete NGN Content for the
Expected Assessment
Maternal-Newborn Practice Questions (100
Items)
ANTEPARTUM CARE (Questions 1–25)
1. A client's last menstrual period began on
March 10. Using Naegele's rule, what is the
estimated date of birth?
A. December 10
B. December 17
C. December 24
D. January 17
,☑VERIFIED ANSWERS: B
Rationale: Naegele's rule: subtract 3 months
(March → December), add 7 days (10 + 7 = 17),
add 1 year. EDB = December 17.
2. Which finding in a client at 34 weeks'
gestation requires immediate notification of
the provider?
A. Blood pressure 118/76 mmHg
B. Painless bright red vaginal bleeding
C. Fetal heart rate 142 bpm
D. Mild ankle edema
☑VERIFIED ANSWERS: B
Rationale: Painless bright red bleeding suggests
placenta previa, which can cause life-
threatening hemorrhage. No vaginal exam
should be performed.
,3. A client receiving magnesium sulfate has a
respiratory rate of 10/min and absent deep
tendon reflexes. Which action should the
nurse take first?
A. Increase the infusion rate
B. Administer calcium gluconate
C. Stop the infusion and notify the provider
D. Document the findings
☑VERIFIED ANSWERS: C
Rationale: These are signs of magnesium
toxicity. The first action is to stop the infusion,
then notify the provider. Calcium gluconate is
the antidote but is given after the infusion is
halted.
4. Which statement by a client at 12 weeks'
gestation indicates a need for further teaching
about folic acid?
, A. "I should take 400 mcg daily."
B. "Folic acid helps prevent neural tube
defects."
C. "I can stop taking it now that I'm past 8
weeks."
D. "I should take it before and during
pregnancy."
☑VERIFIED ANSWERS: C
Rationale: Folic acid is recommended
throughout pregnancy, ideally starting before
conception. Neural tube development occurs in
the first 4 weeks, but supplementation
continues.
5. A client at 28 weeks has a glucose tolerance
test result of 190 mg/dL. Which condition does
this suggest?
A. Gestational diabetes
Exam: 100 Practice Questions with Answers,
Rationales, and Complete NGN Content for the
Expected Assessment
Maternal-Newborn Practice Questions (100
Items)
ANTEPARTUM CARE (Questions 1–25)
1. A client's last menstrual period began on
March 10. Using Naegele's rule, what is the
estimated date of birth?
A. December 10
B. December 17
C. December 24
D. January 17
,☑VERIFIED ANSWERS: B
Rationale: Naegele's rule: subtract 3 months
(March → December), add 7 days (10 + 7 = 17),
add 1 year. EDB = December 17.
2. Which finding in a client at 34 weeks'
gestation requires immediate notification of
the provider?
A. Blood pressure 118/76 mmHg
B. Painless bright red vaginal bleeding
C. Fetal heart rate 142 bpm
D. Mild ankle edema
☑VERIFIED ANSWERS: B
Rationale: Painless bright red bleeding suggests
placenta previa, which can cause life-
threatening hemorrhage. No vaginal exam
should be performed.
,3. A client receiving magnesium sulfate has a
respiratory rate of 10/min and absent deep
tendon reflexes. Which action should the
nurse take first?
A. Increase the infusion rate
B. Administer calcium gluconate
C. Stop the infusion and notify the provider
D. Document the findings
☑VERIFIED ANSWERS: C
Rationale: These are signs of magnesium
toxicity. The first action is to stop the infusion,
then notify the provider. Calcium gluconate is
the antidote but is given after the infusion is
halted.
4. Which statement by a client at 12 weeks'
gestation indicates a need for further teaching
about folic acid?
, A. "I should take 400 mcg daily."
B. "Folic acid helps prevent neural tube
defects."
C. "I can stop taking it now that I'm past 8
weeks."
D. "I should take it before and during
pregnancy."
☑VERIFIED ANSWERS: C
Rationale: Folic acid is recommended
throughout pregnancy, ideally starting before
conception. Neural tube development occurs in
the first 4 weeks, but supplementation
continues.
5. A client at 28 weeks has a glucose tolerance
test result of 190 mg/dL. Which condition does
this suggest?
A. Gestational diabetes
