Question 1

A pregnant patient at 10 weeks gestation reports painless vaginal bleeding. The cervical os is closed on exam. What type of abortion is this?

Accepted Answer

Threatened abortion. The bleeding occurs with a closed cervical os and the pregnancy may continue; management includes bed rest and pelvic rest.

Question 2

What is the classic triad of symptoms that defines preeclampsia?

Accepted Answer

Hypertension (BP ≥140/90 mmHg), proteinuria (≥300 mg/24 hours), and edema (especially facial/hand edema after 20 weeks gestation).

Question 3

A pregnant patient develops a grand mal seizure with no prior seizure history. Which obstetric emergency does this indicate?

Accepted Answer

Eclampsia. It is the convulsive phase of preeclampsia and requires immediate IV magnesium sulfate to stop and prevent further seizures.

Question 4

What is the first-line antidote for magnesium sulfate toxicity during treatment of preeclampsia?

Accepted Answer

Calcium gluconate (1 g IV). It is the antidote for magnesium sulfate toxicity and should be kept at the bedside at all times during mag therapy.

Question 5

Which finding differentiates placenta previa from abruptio placentae?

Accepted Answer

Placenta previa presents with painless, bright red vaginal bleeding, whereas abruptio placentae presents with painful, dark red bleeding and a rigid board-like abdomen.

Maternity & OB – NCLEX-RN Flashcards

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