Fetal circulation MCQ 7+

Test your knowledge with important Fetal circulation MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 37+ more Fetal circulation MCQs on Bissoy. Bissoy App

• Fetal circulation
  ক

  Right and left ventricles exist in a parallel circuit

  খ

  Pulmonary vasculature are constricted

  গ

  Umbilical artery carries deoxygenated blood

  ঘ

  Deoxygenated blood passes to right atrium

  ঙ

  Ductus venosus connect pulmonary artery with aorta
• Essential components for smooth neonatal respiratory transition are
  ক

  Clearance of foetal lung field

  খ

  Decrease in pulmonary vascular resistance

  গ

  Surfactant secretion continuation

  ঘ

  Decrease in pulmonary blood flow

  ঙ

  Decrease lungs volume
• The following statements are correct regarding the development of the testis
  ক

  It originates from the celomic epithelium

  খ

  It gains contributions from the developing mesonephros

  গ

  It completes its descent into the scrotum at birth

  ঘ

  The inguinal hernias are more common at birth

  ঙ

  Its descent is aided by the processusvaginalis
• In the fetal circulation
  ক

  The foramen ovale connects the two atria

  খ

  Most of the blood entering the right atrium goes to the left atrium

  গ

  The descending aorta contain more desaturated blood than ascending aorta

  ঘ

  The umbilical arteries contain oxygenated blood

  ঙ

  The fetal lung is bypassed by means of ductus venosus
• In fetal circulation
  ক

  10% blood enters into the lungs

  খ

  Umbilical vein drains in to the ductus venosus

  গ

  Functional closure of the ductus arteriosus occur by 24 hours

  ঘ

  Oxygen saturation is high in the umbilical artery

  ঙ

  Pulmonary vascular resistance is low
• Following cardiovascular changes occurs after birth
  ক

  Increase in the systemic vascular resistance

  খ

  Closure of ductus venosus

  গ

  Increase in PaO2 of aortic origin

  ঘ

  Pulmonary arterial constriction

  ঙ

  Increase in right ventricular pressure
• Changes of fetal circulation at birth
  ক

  Cessation of placental blood flow

  খ

  Closure of umbilical arteries

  গ

  Closure of umbilical vein

  ঘ

  Opening of ductus arteriosus

  ঙ

  Opening of foramen ovale