Multiple choice

The defect leading to the bluish-grey discolouration of the skin is

  1. Hypoplasia

  2. Obstruction defects

  3. Septal defects

  4. Cyanotic defects
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Cyanotic heart defects are called such because they result in cyanosis, a bluish-grey discolouration of the skin due to a lack of oxygen in the body. Such defects include persistent truncus arteriosus, total anomalous pulmonary venous connection, tetralogy of Fallot, and tricuspid atresia.

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