MCQ in Pediatric Cardiology

Paediatric Cardiology mcq

Multiple choice questions in Pediatric Cardiology

The post contains multiple-choice based questions in cardiology covering cardiovascular physiology and congenital heart disease useful for DNB and MRCPCH part 1 examinations.

1. What is the most common congenital heart defect with a left to right shunt causing congestive heart failure in the pediatric age group?

  1. Atrial septal defect
  2. Atrioventricular canal
  3. Ventricular septal defect VSD
  4. Patent ductus arteriosus
  5. Aortopulmonary window
Check Your Answer

It is C

2. All true regarding ASD Except

  1. Atrial septal defect is the second most common congenital heart defect in children and adults.
  2. Patients with atrial septal defects may have an embolic stroke as the initial presentation.
  3. Most children with atrial septal defects are asymptomatic.
  4. The most common yet least serious type of atrial septal defect is an ostium secundum defect.
  5. The most common yet least serious type of atrial septal defect is ostium primum defect.
Check Your Answer

It is D

3. What is the most likely age an infant with a large ventricular septal defect will begin manifesting symptoms of congestive heart failure?

  1. 1 day
  2. 1 week
  3. 1 month
  4. 6 months
  5. 1 year
Check Your Answer

It is C

4. What is the dominant mechanism with which infants and young children increase their cardiac output?

  1. By increasing ventricular contractility
  2. By increasing heart rate
  3. By increasing ventricular end-diastolic volume
  4. By decreasing heart rate
  5. By increasing respiratory rate
Check Your Answer

It is B

5. The earliest sign of congestive heart failure on a chest X-ray is:

  1. Increased heart size.
  2. Kerley B lines.
  3. Central pulmonary vascular congestion.
  4. Pulmonary edema.
  5. Pleural effusion.
Check Your Answer

It is A

6. A two-day-old cyanotic infant with a grade 3/6 ejection systolic murmur is noted to have decreased pulmonary vascular markings on chest x-ray and left axis deviation on EKG. The most likely diagnosis is:

  1. Tetralogy of Fallot
  2. Transposition of Great Vessels
  3. Truncus Arteriosus
  4. Tricuspid Atresia.
Check Your Answer

It is D

7. A 2-year-old infant is noted to have mild cyanosis who assumes a squatting position during long walking. He is noted to have increasing fussiness followed by increasing cyanosis, limpness, and unresponsiveness. The most likely underlying lesion is:

  1. Hypoplastic left heart
  2. Transposition of the Great Vessels
  3. Anomalous Pulmonary Venous Return
  4. Tetralogy of Fallot
  5. Aspiration with obstruction to air passages
Check Your Answer

It is D

8. An infant with a marked cyanotic congenital heart defect with decreased pulmonary vascularity should be treated with:

  1. Digoxin
  2. Indomethacin
  3. Prostaglandin E1
  4. Epinephrine
Check Your Answer

It is C

9. Cyanosis is produced by the presence of deoxygenated hemoglobin of at least:

  1. 1-2 gm/dL
  2. 3-5 gm/dL
  3. 6-8 gm/dL
  4. 9-10 gm/Dl
Check Your Answer

It is B

10. A "tet spell" or "blue" spell of tetralogy of Fallot is treated with all of the following except:

  1. oxygen
  2. knee-chest position
  3. morphine
  4. digoxin
  5. propranolol
  6. phenylephrine
  7. sodium bicarbonate
Check Your Answer

It is D

11. Pulmonary vascularity is increased in all of the following except:

  1. TAPVR
  2. Tricuspid atresia
  3. TGV
  4. Hypoplastic left heart
Check Your Answer

It is B

12. Pulmonary vascularity is decreased in all of the following except:

  1. Tetralogy of Fallot
  2. Pulmonary atresia
  3. TAPVR
  4. Tricuspid atresia
Check Your Answer

It is C

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about authors

Ajay Agade | DNB(Pediatrics), FNB(Pediatric Intensive Care), Fellowship in Pediatric pulmonology and LTV

Ajay is a Paediatric Intensivist, currently working in Pediatric Pulmonology & LTV at Great Ormond Street Hospital NHS, London

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