Antenatal Care: SBA Questions

and Janesh Gupta2



(1)
Fetal Medicine, Rainbow Hospitals, Hyderabad, Telangana, India

(2)
University of Birmingham Birmingham Women’s Hospital, Birmingham, UK

 




ANC1


You are reviewing the notes of a 32-year-old woman in the antenatal clinic. She is 10 weeks pregnant based on her last period date and this is her third pregnancy. Her sons, aged 4 and 2 years, respectively, are fit and healthy. You are looking for risk factors to offer her screening for gestational diabetes. Which of the following conditions will you NOT offer her such screening:

A.

Body mass index above 30 kg/m2

 

B.

Family history of diabetes

 

C.

Family origin with a high prevalence of diabetes

 

D.

Previous macrosomic baby weighing 4.5 kg or above

 

E.

Previous type 2 diabetes

 


ANC2


Q2. Commercial flights of more than 4 h duration are known to be associated with a small increase in the relative risk of:

A.

Abruptio placentae

 

B.

Antepartum depression

 

C.

Deep vein thrombosis

 

D.

Prelabour rupture of membranes

 

E.

Preterm labour

 


ANC3


Which antibiotics should be given to prevent early onset neonatal GBS disease to women who have accepted intrapartum antibiotic prophylaxis (IAP) and are allergic to benzylpenicillin?

A.

Ampicillin

 

B.

Clindamycin

 

C.

Erythromycin

 

D.

Gentamicin

 

E.

Trimethoprim/sulfamethoxazole

 


ANC4


Placental abruption is seen more often in all of the following conditions except:

A.

Chorioamnionitis

 

B.

Multiple pregnancies

 

C.

Pre-eclampsia

 

D.

Primigravidae

 

E.

Trauma

 


ANC5


The incidence of low-lying placenta in second trimester ultrasound scan is as high as:

A.

10 %

 

B.

15 %

 

C.

25 %

 

D.

35 %

 

E.

50 %

 


ANC6


You are preparing for the caesarean section of a multipara with central placenta previa. She is not anaemic, is haemodynamically stable and has never had any episode of vaginal bleeding. At least how many units of cross matched blood should be kept ready for use in anticipation of intraoperative blood loss?

A.

1 unit

 

B.

2 units

 

C.

3 units

 

D.

4 units

 

E.

None required unless the woman has a Hb < 10 g/dL

 


ANC7


Women with complex social factors have been identified as those needing special provisions in their antenatal care. Which of the following pregnant women would be identified as one with a complex social factor that warrants special attention by the antenatal healthcare providers?

A.

A 28-year-old primary school teacher who has recurrent migraine attacks

 

B.

A 36-year-old housewife with previous two caesarean sections

 

C.

A 42-year-old banker with a high paying but stressful job

 

D.

An 18-year-old English woman who is the lead ballet dancer in a renowned troupe

 

E.

An unmarried 38-year-old artist of Egyptian origin living legally with her partner in England for the last 12 years and running a successful boutique

 


ANC8


A 28-year-old woman is 22 weeks pregnant. She has long-standing type 1 diabetes mellitus. Her 20-week fetal anatomy ultrasound showed no structural fetal abnormalities. However, she is concerned about how her diabetes may cause congenital fetal anomalies in her unborn child.

Of the options listed below, which SINGLE action addresses her anxiety?

A.

Amniocentesis at 22 weeks.

 

B.

Fetal cardiac echocardiography at 24 weeks.

 

C.

Obstetric ultrasound scan for growth and umbilical artery Doppler at 28, 32 and 36 weeks.

 

D.

Offer reassurance as normal fetal anatomy survey at 20 weeks.

 

E.

Quadruple maternal biochemical screening test (HCG, inhibin-A, oestriol, AFP) at 20 weeks.

 


ANC9


A 24-year-old woman is 12 weeks pregnant. She is attending hospital for her dating scan and routine booking serological investigations. Screening and treating for the presence of a particular pathogen during early pregnancy will reduce the risk of developing congenital fetal abnormality. Which of the pathogens listed below fulfils this criterion?

A.

Hepatitis B

 

B.

Herpes simplex virus

 

C.

Rubella

 

D.

Syphilis

 

E.

Varicella zoster virus

 


ANC10


All pregnant women are advised to take folic acid supplements (0.4 mg, once daily) pre-pregnancy and antenatally. Nonetheless, which of the following groups of women is a dietary supplementation using a higher dose of folic acid (5 mg once daily) recommended?

A.

BMI < 30

 

B.

Impaired glucose tolerance

 

C.

Previous pre-eclampsia

 

D.

Previous preterm delivery

 

E.

Sickle cell disease

 


ANC11


All pregnant women are advised to take folic acid supplements (0.4 mg, once daily) pre-pregnancy and antenatally. Nonetheless, which of the following groups of women is a dietary supplementation using a higher dose of folic acid (5 mg once daily) recommended?

A.

BMI < 30

 

B.

History of spina bifida in partner’s family

 

C.

Impaired glucose tolerance

 

D.

Previous pre-eclampsia

 

E.

Previous preterm delivery

 


ANC12


A 24-year-old woman is 22 weeks pregnant in her second pregnancy. She has had one previous caesarean delivery. Her routine 20-week obstetric ultrasound revealed a low-lying anterior placenta, partially covering the cervical os. Which SINGLE action is most appropriate?

A.

Organise elective caesarean section for 39 weeks

 

B.

Organise MRI pelvis at 32 weeks to check position of placenta.

 

C.

Re-assess at 38 weeks and allow vaginal delivery to occur if fetal head is clinically engaged and there has been no antenatal bleeding.

 

D.

Repeat ultrasound at 32 weeks to check position of placenta.

 

E.

Repeat ultrasound at 38 weeks to check position of placenta.

 


ANC13


Which of the following is NOT a known risk factor for vasa previa:

A.

Bilobed placenta

 

B.

Placental photocoagulation

 

C.

In vitro fertilisation

 

D.

Multifetal pregnancy

 

E.

Succenturiate lobes

 


ANC14


Drugs are prescribed in pregnancy upon the assumption that their positive effect on health outweighs the probability and severity of any harm to mother and fetus. On this basis, which of the following medications is the most likely to be contraindicated for antenatal use in pregnancy?

A.

Indomethacin

 

B.

Labetalol

 

C.

Low-dose aspirin

 

D.

Low molecular weight heparin

 

E.

Metformin

 


ANC15


A pregnant woman is seeking advice about the effects of smoking in pregnancy. Which of the following statements is correct in relation to pregnancy risks as a consequence of her smoking during pregnancy?

A.

Decreased risk of abruption

 

B.

Increased risk of gestational diabetes

 

C.

Increased risk of pre-eclampsia

 

D.

Increased risk of sudden infant death syndrome (SIDS)

 

E.

No effect on the risk of preterm delivery

 


ANC16


A 20-year-old woman is 33 weeks pregnant in her first pregnancy. She has a 6-h history of regular painful uterine contractions. Clinical examination confirms an appropriately sized fetus, longitudinal lie and cephalic presentation with normal fetal heart rate (155 bpm). Vaginal examination identifies a fully effaced cervix that is 5 cm dilated, with intact membranes. Which of the following is an appropriate next intervention step?

A.

Administer i.m betamethasone.

 

B.

Commence i.v. atosiban.

 

C.

Commence oral nifedipine.

 

D.

Insert cervical cerclage.

 

E.

Recommend emergency caesarean section.

 


ANC17


A 20-year-old woman is 36 weeks pregnant in her first pregnancy and is being reviewed in the antenatal clinic. A recent obstetric growth scan confirms breech presentation of a normally grown fetus with normal liquor volume. She has no other complicating medical or obstetric disorders. She is deciding between planned vaginal or elective caesarean (LSCS) modes of delivery. Which of the following is correct in relation to the counselling she will receive?

A.

External cephalic version (ECV) may be offered and has around a 50 % success rate for conversion to cephalic presentation.

 

B.

Footling breech presentation is considered favourable for vaginal breech delivery.

 

C.

If opting for vaginal breech delivery, induction of labour at 38 weeks is recommended to avoid excessive fetal growth.

 

D.

Intermittent fetal heart rate monitoring is recommended for spontaneous onset vaginal breech labour.

 

E.

LSCS and vaginal breech birth have similar rates of perinatal mortality and early neonatal morbidity.

 


ANC18


If the fetal crown rump length is disparate in twins at the 12 weeks scan, select the best method of dating the pregnancy.

Gestation is age can be allotted according to:

A.

Average CRL of the two foetuses.

 

B.

CRL of the bigger fetus.

 

C.

CRL of the smaller fetus.

 

D.

CRL of the smaller fetus added to half the CRL of the bigger fetus.

 

E.

Dating is best done by LMP in such cases.

 


ANC19


Screening for anemia in triplet pregnancy is advised at:

A.

Booking, 20–24 weeks and 28 weeks

 

B.

Booking, 20–24 weeks

 

C.

Booking, 28 weeks and 34 weeks

 

D.

Booking, 28 weeks

 

E.

Booking, 26 weeks

 


ANC20


A 34-year-old primigravida with dichorionic twins, both fetuses in cephalic presentation, declines the offer of elective delivery at 37 weeks of gestation. You have explained to her that with uncomplicated dichorionic twin pregnancies, elective birth from 37 weeks 0 days does not appear to be associated with an increased risk of serious adverse outcomes and that continuing uncomplicated twin pregnancies beyond 38 weeks 0 days increases the risk of fetal death. What is the next step in her antenatal care?

A.

Document her decision and allow pregnancy to continue for reassessment at term or when she sets into labour spontaneously, whichever is earlier.

 

B.

Document her decision and call twice weekly for biophysical profile assessment.

 

C.

Document her decision and call weekly for biophysical profile assessment.

 

D.

Document her decision and take informed consent for risk of adverse outcome.

 

E.

Refer her to another centre as the outcome is likely to be poor.

 


ANC21


A primigravida with twin pregnancy has booked for antenatal care at 16 weeks of gestation. Despite referral to higher centre, the chorionicity of the pregnancy could not be established by ultrasound. Fetal growth is within normal range and there are no obvious structural defects. What is the best option for further antenatal management in this case?

A.

Amniocentesis to determine fetal karyotyping.

 

B.

Chorionic villous sampling for fetal genotyping.

 

C.

Empirically manage as dichorionic twins as this is commoner.

 

D.

Empirically manage as monochorionic twins.

 

E.

Offer her an MRI which will help establish chorionicity.

 


ANC22


With regard to advice about diet, lifestyle and nutritional supplements in multiple pregnancy, which of the following is correct?

A.

Women with twins and triplets should be offered twice the dosage of supplements and asked to take an extra 220 cal per day.

 

B.

Women with twins should take an extra 220 cal per day with twice the dosage of supplements while women with triplets 330 extra calories per day with thrice the dosage of supplements.

 

C.

Women with twins should take an extra 220 cal per day with twice the dosage of supplements while women with triplets 330 extra calories per day with twice the dosage of supplements.

 

D.

Women with twins and triplets should take an extra 220 cal per day with twice the dosage of supplements.

 

May 5, 2017 | Posted by in GYNECOLOGY | Comments Off on Antenatal Care: SBA Questions

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