Hypertensive disease in pregnancy: Multiple choice questions for Vol. 25, No. 4






  • 1.

    Which of the following is/are risk factor(s) for pre-eclampsia?



    • a)

      Smoking in early pregnancy.


    • b)

      Smoking in late pregnancy.


    • c)

      A previous pregnancy loss.


    • d)

      Prolonged pre-pregnancy co-habitation.


    • e)

      Residence at high altitude.



  • 2.

    Evidence supporting the hypothesis that pre-eclampsia consists of several different disease subtypes include(s):



    • a)

      A higher risk of recurrence after a twin pregnancy complicated by pre-eclampsia compared with a singleton pregnancy complicated by pre-eclampsia.


    • b)

      Increased placental lesions in cases of early onset pre-eclampsia compared with late onset.


    • c)

      An increased risk of mortality among women with early onset pre-eclampsia.


    • d)

      An increased risk of intrauterine growth restriction among offspring of women with pre-eclampsia apparent only when disease onset occurs before 34 weeks.


    • e)

      An increased risk of intrauterine growth restriction among offspring of women with pre-eclampsia apparent only when disease onset occurs after 34 weeks.



  • 3.

    The fetuses-at-risk hypothesis explains the survival advantage observed among preterm infants from pregnancies complicated by pre-eclampsia (compared with preterm infants from pregnancies not complicated by pre-eclampsia) through the following mechanism(s):



    • a)

      At-risk fetuses of women with pre-eclampsia induce an increase in maternal blood pressure resulting in increased nutrient and oxygen supply to the placenta.


    • b)

      Faster lung maturation in fetuses at risk of being born preterm due to pre-eclampsia.


    • c)

      The use of an incorrect denominator in the calculation of neonatal mortality rates.


    • d)

      Fetuses in pregnancies complicated by pre-eclampsia receive increased antenatal surveillance as a result of their at-risk status, leading to increased survival.


    • e)

      Screening for pre-eclampsia enables effective strategies for amelioration of pre-eclampsia.



  • 4.

    Factors contributing to regional and international variations in reported incidence of pre-eclampsia include:



    • a)

      Different maternal ages among pregnant women in different countries.


    • b)

      Differences in data sources used to generate national statistics.


    • c)

      Inconsistent use of the International Classification of Diseases (ICD) coding systems by different countries.


    • d)

      Different diagnostic criteria between different ICD codes.


    • e)

      Temporal changes in disease incidence.



  • 5.

    Which of the following is or are true regarding a woman presenting with a suspected diagnosis of pre-eclampsia?



    • a)

      The definition of hypertension (blood pressure ≥140/90 mmHg) is shared between current international guidelines (Australasia [2008], Canada [2008], UK [2010], and USA [2008]).


    • b)

      Current definitions of ‘severe’ pre-eclampsia are common between guidelines and have been tested for their ability to identify maternal and perinatal risks.


    • c)

      The definition of significant proteinuria (≥0.3 g/24 h or ≥30 mg protein/mmol creatinine on a random urine sample) is shared between current guidelines.


    • d)

      Severe hypertension is commonly defined as a diastolic blood pressure ≥110 mmHg, systolic hypertension ≥160–170 mmHg, or both.


    • e)

      Maternal risks associated with the diagnosis of pre-eclampsia remain stable across gestational age.



  • 6.

    A woman is admitted at 28 + 2 weeks gestation with blood pressure 152/98, ++++ dipstick proteinuria, without symptoms, SpO 2 97%, platelet count 103 × 10 9 /L, serum creatinine 67 mM, and AST 56 U/L. Her recent 24-h urine protein estimation was 5.2 g/24 h. She received antenatal corticosteroids for fetal lung maturity 6 days ago. The fetal abdominal circumference is at the 3rd percentile for gestational age. Which of the following statements about this woman is/are true?



    • a)

      Her blood pressure should be reduced to below 140/90 mmHg to optimise pregnancy outcomes.


    • b)

      It is possible to estimate her personal risks of severe complications for up to 7 days and to balance those risks against potential perinatal gains when counselling the woman and her family.


    • c)

      She should be delivered for heavy proteinuria and fetal growth restriction, as she has already received steroids.


    • d)

      It is possible to identify her personal risks of severe complications at any time between admission and hospital discharge.


    • e)

      The probability that she will experience one or more component of the PIERS combined adverse maternal outcome within the next 48 h is 6.6%.



  • 7.

    Which of the following is thought to contribute to the common pathophysiology of pre-eclampsia?



    • a)

      Reduction in plasma volume due to capillary leakage and redistribution of total extracellular fluid volume from intravascular to interstitial compartments.


    • b)

      Microangiopathic haemolytic anaemia due to antiphospholipid antibody-mediated destruction of erythrocytes.


    • c)

      Vasoconstriction with enhanced responses to vasoactive substances such as angiotensin and endothelin.


    • d)

      Platelet activation triggered by endothelial activation.


    • e)

      Intravascular thrombosis.



  • 8.

    Decidual natural killer cells are thought to mediate trophoblast invasion through which of the following mechanisms?



    • a)

      Secretion of interferon gamma, which limits trophoblast migration from villous tips.


    • b)

      Secretion of interferon gamma, which promotes the formation and maintenance of vascular tube-like projections from extravillous trophoblast.


    • c)

      Binding of killer inhibitory receptors with HLA-C, -E, and -G expressed on trophoblast, which prevents trophoblast lysis and contributes to facilitating trophoblast invasion.


    • d)

      Ingestion of apoptotic trophoblast debris, resulting in increased Type 2 cytokine secretion.


    • e)

      Production of pro- and anti-angiogenic chemokines including IL-8 and IP-10, which have roles in endovascular remodeling.



  • 9.

    Which of the following statements is/are false regarding the pathophysiology of end-organ damage in pre-eclampsia?



    • a)

      In the kidney, proteinuria results from dysregulation of the glomerular endothelium, which is induced by vascular endothelial growth factor deficiency.


    • b)

      In the liver, hepatic sinusoids may be blocked by intravascular fibrin deposition with consequent obstructed blood flow and hepatic ischaemia.


    • c)

      In the brain, reversible posterior leucoencephalopathy (PRES) is thought to arise from dysregulation of the cerebral vasculature as a consequence of rapid elevations in blood pressure.


    • d)

      In the brain, areas of both vasoconstriction and forced vasodilation develop, particularly in the posterior circulation.


    • e)

      In the lung, spontaneous pulmonary oedema most commonly develops intrapartum due to decreased plasma colloid pressure from massive proteinuria and increased cardiac output during labour.



  • 10.

    Which of the following statements about genome-wide linkage analysis is/are true:



    • a)

      Affected sib-pair analysis is an appropriate strategy to use for genome-wide linkage analysis in complex genetic disorders.


    • b)

      Microsatellite markers are the most extensively used markers for genome-wide linkage analysis.


    • c)

      A case-control design is appropriate for genome-wide linkage studies in complex genetic disorders.


    • d)

      The results of genome-wide linkage analysis can inform the selection of positional candidate genes for further study.


    • e)

      Genome-wide linkage analysis typically identifies regions of the genome containing a single susceptibility gene.




  • 11. A primigravida attends the antenatal clinic for her booking appointment. Her sister developed severe pre-eclampsia at 30 weeks’ gestation leading to a preterm delivery. Her clinician plans to perform tests for the prediction of pre-eclampsia and plan her management. Which of the following test(s) is/are good predictors for the occurrence of pre-eclampsia?



    • a)

      Blood-pressure measurement at booking.


    • b)

      Serum uric acid.


    • c)

      Estimation of 24 h proteinuria.


    • d)

      Measuring placental growth factor (PlGF).


    • e)

      Test for alpha-fetoprotein.



  • 12.

    A woman who had severe pre-eclampsia in her previous history is now 9 weeks pregnant. What treatment(s) have been shown to reduce the risk of pre-eclampsia in this pregnancy?



    • a)

      60–100 mg aspirin daily.


    • b)

      Rest; at least 30 mins per day.


    • c)

      Marine oil (omega-3 fatty acids) capsules 1 per day.


    • d)

      Vitamins C.


    • e)

      Vitamins E.



  • 13.

    In the presence of severe pre-eclampsia, expectant management is associated with the highest adverse maternal and perinatal outcomes in which of the following:



    • a)

      In the presence of appropriately grown fetus with normal amniotic fluid.


    • b)

      At gestational age less than 26 weeks.


    • c)

      When there is evidence of vaginal bleeding.


    • d)

      When Doppler studies show that the fetus has absent or reverse umbilical artery flow.


    • e)

      When the mother develops seizures.



  • 14.

    Which of the following statement(s) is or are true regarding a woman with pre-existing hypertension who is otherwise well, and who has conceived on enalapril? Her blood pressure is currently 145/90 mmHg at 8 weeks’ gestation.



    • a)

      The pregnancy should be terminated because enalapril is associated with a much higher risk of major fetal malformations, above the baseline of 10%.


    • b)

      This woman must discontinue her enalapril and restart methyldopa to decrease her risk of developing pre-eclampsia.


    • c)

      If the enalapril is discontinued, this woman’s blood pressure may normalise over the subsequent weeks.


    • d)

      This woman should take methyldopa. It is the drug of choice because it is associated with the best child neurodevelopmental outcome.


    • e)

      A reasonable goal for this woman’s blood pressure goal in pregnancy is 150/100 mmHg.



  • 15.

    A woman presents to delivery suite at 31 weeks’ gestation because, at a routine antenatal visit, she was noted to have a blood pressure of 170/110 mmHg and new 2+ proteinuria by urinary dipstick testing. She is asymptomatic. Which of the following statement(s) about this woman is or are true?



    • a)

      This woman is a candidate for antepartum home care.


    • b)

      The drug of first choice for treatment of this severe hypertension is parenteral hydralazine.


    • c)

      Oral antihypertensive may be appropriate to treat the hypertension in this setting.


    • d)

      This woman most likely has severe pre-eclampsia and should receive MgSO 4 .


    • e)

      If MgSO 4 is prescribed, then nifedipine should not be prescribed as an antihypertensive agent.



  • 16.

    When considering use of regional anaesthesia in a woman with pre-eclampsia, which of the following statements is/are true?



    • a)

      Anaesthetists worry about causing bleeding around the spinal cord.


    • b)

      Use of low-dose aspirin is a contraindication to regional anaesthesia.


    • c)

      It is advisable to wait 12 h before insertion of an epidural in a parturient on therapeutic doses of low molecular weight heparin.


    • d)

      Neuraxial anaesthesia impairs blood flow to the fetus.


    • e)

      Neuraxial haematoma can occur upon removal of the epidural catheter.



  • 17.

    In pre-eclamptic toxaemia, perinatal outcome has been shown to most reliably relate to:



    • a)

      Severity of hypertension.


    • b)

      Gestational age at delivery.


    • c)

      Birth weight.


    • d)

      Non-reactive non-stress test.


    • e)

      Mode of delivery.




  • 18. Fetal movement counting has been shown to:



    • a)

      Be associated with an increase in hospital admissions.


    • b)

      Be influenced by administration of oral antihypertensive drugs.


    • c)

      Be not influenced by gestational age.


    • d)

      Be reliably perceived by 16 weeks in nulliparous women.


    • e)

      Be predictive of perinatal outcome in pre-eclamptic toxaemia.



  • 19.

    The biophysical profile:



    • a)

      Predicts perinatal acidosis in pre-eclamptic toxaemia.


    • b)

      Predicts long-term neonatal outcomes after pre-eclamptic toxaemia.


    • c)

      Has not been evaluated by a randomised-control trial as a test of fetal well-being in pre-eclamptic toxaemia.


    • d)

      Can be used to assess longitudinal progression of disease in pre-eclamptic toxaemia.


    • e)

      Is based on short-term alterations in fetal behaviour produced by exposure to hypoxia.



  • 20.

    Which of the following is/are true regarding Doppler measurements?



    • a)

      Umbilical Doppler can improve the identification of the fetus at risk of poor outcome in high-risk pregnancies.


    • b)

      A decrease in middle cerebral artery flow is triggered by acute hypoxemia.


    • c)

      Ductal flow is increased in cases of pre-eclamptic toxaemia with severe utero placental insufficiency.


    • d)

      The ratio of umbilical : renal flow is most helpful in recognising the growth-restricted fetus at risk of mortality.


    • e)

      Middle cerebral artery blood flow is very constant and is not affected by fetal behaviour.



  • 21.

    Benchmarking is an effective tool for continuous quality improvement if:



    • a)

      All units involved are using the same disease diagnostic criteria.


    • b)

      It is only conducted for pure research purposes.


    • c)

      The cyclical nature of the concept is completed fully.


    • d)

      Reliable data are available from those units involved.


    • e)

      It leads to review of clinical activity and practice change.



  • 22.

    Acute pulmonary oedema in women with pre-eclampsia results most commonly from:



    • a)

      The reason is unknown but it is most likely inherently part of the disease process.


    • b)

      Iatrogenic administration of intravenous fluids.


    • c)

      The administration of intravenous magnesium sulphate.


    • d)

      The use of oral beta blockers.


    • e)

      Hypoalbuminaemia.




  • 23. The most commonly cited reasons in studies of occurrence of preventable deaths in the maternity setting are:



    • a)

      Inadequate supervision of health practitioners.


    • b)

      Lack of communication between health practitioners and patients.


    • c)

      Medication errors.


    • d)

      Inadequate training of health professionals.


    • e)

      Failure to appreciate the whole clinical picture.



  • 24.

    The following statement(s) is/are true regarding expectant management of severe pre-eclampsia:



    • a)

      It is safe for the mother and fetus when gestational age is 34–35 weeks.


    • b)

      Antihypertensive medications are indicated when systolic blood pressure is ≥160 mmHg, diastolic blood pressure is ≥110 mmHg, or both.


    • c)

      Intravenous magnesium sulfate given prophylactically reduces the risks of convulsions.


    • d)

      Corticosteroids do not reduce neonatal morbidity when gestational age is 30–32 weeks in the presence of severe pre-eclampsia.


    • e)

      Expectant management improves outcome when gestational age is 21–22 weeks.



  • 25.

    Providing a pregnant woman with understandable information about pre-eclampsia has been shown to result in:



    • a)

      Greater compliance with bed rest or other care-provider counsel.


    • b)

      Timely reporting of relevant symptoms.


    • c)

      Mental anxiety.


    • d)

      Information overload.


    • e)

      Improved perinatal outcome.



  • 26.

    Patient advocacy organisations can help improve the field of pre-eclampsia through:



    • a)

      Recruitment of research study participants.


    • b)

      Funding research.


    • c)

      Educating patients and providing emotional support.


    • d)

      Developing compelling messages and influencing public policy.


    • e)

      Development of practice guidelines.



  • 27.

    The following is/are true about the use of magnesium sulfate in pre-eclampsia and eclampsia:



    • a)

      Magnesium sulfate is the drug of choice for the treatment and prevention of eclampsia.


    • b)

      Magnesium sulfate reduces the risk of eclampsia significantly.


    • c)

      Magnesium sulfate should only be used in women with severe pre-eclampsia.


    • d)

      Magnesium sulfate reduces perinatal mortality and morbidity.


    • e)

      Magnesium sulfate is widely available and utilized.



  • 28.

    Which of the following is/are correct regarding the use of calcium for the prevention of pre-eclampsia?



    • a)

      Calcium reduces the risk of pre-eclampsia in women with low calcium intake.


    • b)

      Calcium supplementation improves biochemical parameters like proteinuria and platelet counts.


    • c)

      Calcium is associated with a reduction in pre-eclampsia when started before 20 weeks gestational age.


    • d)

      Calcium supplementation is challenging in LMIC.


    • e)

      Calcium cannot be taken at the same time as iron.



  • 29.

    In the postpartum evaluation of a woman with a history of pre-eclampsia, with respect to future cardiovascular risk the following should be undertaken:



    • a)

      Screening for traditional cardiovascular risk factors.


    • b)

      Counselling about a heart-healthy lifestyle.


    • c)

      Treating blood pressure, dyslipidemia and blood sugar according to locally accepted guidelines.


    • d)

      Treating blood pressure, dyslipidemia and blood sugar at lower targets than those in locally accepted guidelines.


    • e)

      Discussion about postpartum weight loss.



  • 30.

    Of the following groups of women, which one has the highest risk for premature cardiovascular disease?



    • a)

      A woman who develops gestational hypertension.


    • b)

      A woman who develops pre-eclampsia at 36 weeks gestational age.


    • c)

      A woman who develops severe pre-eclampsia at 38 weeks gestational age.


    • d)

      A woman who develops mild pre-eclampsia at 38 weeks gestational age.


    • e)

      A woman with pre-existing hypertension who does not develop a hypertensive disorder of pregnancy.



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Nov 9, 2017 | Posted by in OBSTETRICS | Comments Off on Hypertensive disease in pregnancy: Multiple choice questions for Vol. 25, No. 4

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