Free obstetrics MCQ exam model for clinical students

Explanation:

• Placenta previa → Correct because low-lying placenta commonly causes painless bleeding.

• Abruptio placentae → Incorrect because it is painful bleeding and less common.

• Uterine rupture → Incorrect because it is rare.

• Vasa previa → Incorrect because it is uncommon.

• Ectopic pregnancy → Incorrect because it presents early in pregnancy.

Explanation:

• Longitudinal → Correct because fetal axis aligns with maternal axis.

• Oblique → Incorrect because it is abnormal.

• Transverse → Incorrect because it causes obstructed labor.

• Unstable → Incorrect because it is abnormal.

• Horizontal → Incorrect because it is another term for transverse.

Explanation:

• Fetal heart rate monitoring → Correct because it reflects fetal oxygenation and distress.

• Maternal blood pressure → Incorrect because it reflects maternal status.

• Maternal pulse → Incorrect because it is not fetal indicator.

• Uterine contraction frequency → Incorrect because it does not directly assess fetus.

• Maternal temperature → Incorrect because it indicates infection.

Explanation:

• 40 weeks → Correct because normal gestation is 280 days from LMP.

• 36 weeks → Incorrect because this is preterm.

• 38 weeks → Incorrect because it is early term.

• 42 weeks → Incorrect because it is post-term.

• 44 weeks → Incorrect because it is prolonged pregnancy.

Explanation:

• Oxytocin → Correct because it stimulates uterine contractions effectively.

• Ergometrine → Incorrect because it is used for postpartum hemorrhage.

• Misoprostol → Incorrect because it is commonly used for cervical ripening.

• Magnesium sulfate → Incorrect because it is used for eclampsia.

• Terbutaline → Incorrect because it is a tocolytic.

Explanation:

• Pregnant women and childbirth → Correct because obstetrics focuses on pregnancy, labor, and puerperium.

• Children → Incorrect because this is pediatrics.

• Non-pregnant women → Incorrect because this is gynecology.

• Elderly women → Incorrect because this is geriatrics.

• Newborns only → Incorrect because this is neonatology.

Explanation:

• Hemorrhage → Correct because obstetric bleeding is the leading global cause.

• Hypertensive disorders → Incorrect because they are second most common.

• Sepsis → Incorrect because it is less common now.

• Embolism → Incorrect because it is rare.

• Anemia → Incorrect because it contributes indirectly.

Explanation:

• Painless vaginal bleeding → Correct because placenta previa bleeds without uterine contractions.

• Painful vaginal bleeding → Incorrect because pain suggests abruption.

• Abdominal pain only → Incorrect because bleeding is prominent.

• Shock without bleeding → Incorrect because bleeding is evident.

• Fever with bleeding → Incorrect because infection is not typical.

Explanation:

• 20 weeks of gestation → Correct because preeclampsia develops after mid-pregnancy.

• 10 weeks of gestation → Incorrect because it is too early.

• 16 weeks of gestation → Incorrect because diagnosis is after 20 weeks.

• 28 weeks of gestation → Incorrect because it can occur earlier.

• Delivery → Incorrect because it occurs during pregnancy.

Explanation:

• Uterine atony → Correct because failure of uterine contraction causes excessive bleeding.

• Genital tract trauma → Incorrect because it is less common.

• Retained placenta → Incorrect because it is an important but secondary cause.

• Coagulation disorders → Incorrect because they are rare.

• Uterine inversion → Incorrect because it is uncommon.