OBG MCQ's 2

1. Which one of the following conditions is most common cause of maternal mortality in the United States?
a) Infection
b) Haemorrhage
c) Hypertension
d) Trauma
e) Thromboembolism

2. Which of the following condition is most common cause of perinatal morbidity and mortality in the United States?
a) Congenital malformation
b) Preterm delivery
c) IUGR
d) Infection
e) Abnormal karyotype

3. Which one of the following statement regarding Naegele’s and estimated due date is true?
a) EDD equal to date of LMP minus 3 months plus tree days
b) EDD is falsely prolonged when menstrual cycle exceeds 28 days
c) EDD must be adjusted to the duration of the proliferative phase of cycle
d) EDD calculation assumes a variable follicular phase
e) If LMP is 4 July then EDD is February 7

4. A presumptive sign of pregnancy is
a) Hegar’s sign
b) Palpation of fetal parts
c) Uterine enlargements
d) Amenorrhea

5. Which one of the following condition cause the majority of birth defects:
a) Polygenic or multifactorial disorder
b) Cytogenetic disorder
c) Teratogenic exposure
d) Single gene disorder

6. If 35 year old multigravida undergoes maternal serum α-fetoprotein screening during her pregnancy. Analysis shows a positive high level. Which of the following is the most likely explanation for this finding
a) Open neural tube defects
b) Ventral wall defect
c) Gestational age dating error
d) Placental bleeding
e) Fetal demise

7. A 28 years old woman with a family history of birth defects comes to the office requesting pre-conceptional counseling regarding prevention of congenital anomalies, which one the following condition can be prevented by giving this woman folate supplementation:
a) Ventral wall defects
b) Neural tube defects
c) Trisomy 21
d) Turner syndrome
e) Fetal alcohol syndrome

8. Which one of the following clinical parameters is most helpful in confirming accurate gestation dating?
a) FHT by Doppler stethoscope at 16 weeks
b) Multigravida report of quickening at 20 weeks
c) PG report of quickening at 18 weeks
d) FHT by fetoscope at 24 weeks

9. A 26 years old woman presents to the maternity unit with preterm contractions to determine gestation age, you review the prenatal chart and find a number of prenatal ultrasound reports. Which one of the following is most accurate sonographic dating parameters:
a) CRL at 10 weeks
b) BPD at 15 weeks
c) AC at 25 weeks
d) HC at 30 weeks
e) FL at 35 weeks

10. A 20 years old pregnant woman undergoes a 28 week obstetric ultrasound examination, decrease amniotic fluid is evident. Which one of the following fetal anomalies is most likely associated with this finding
a) Anencephaliy
b) Obstructive renal lesions
c) Obstructive GI lesions
d) Neuromuscular disorder