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#Question id: 11685


After birth, the pressure in the pulmonary artery decreases greatly. What is the cause of this?

#Unit 7. System Physiology – Animal
  1. Systemic arterial pressure increases
  2. Ductus arteriosus closes
  3. Left ventricular pressure increases
  4. Pulmonary vascular resistance decreases

Answer:- Option(s): 4


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