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  • The pulmonary trunk arises from the right ventricle and then bifurcates into the   Option: 1 right

The pulmonary trunk arises from the right ventricle and then bifurcates into the 

 

Option: 1

right pulmonary artery

 


Option: 2

left pulmonary artery 

 


Option: 3

Pulmonary vein

 


Option: 4

Both a and b

 


Answers (1)

best_answer
 

As we have learnt:

Pulmonary circulation

  • Pulmonary circulation includes the flow of deoxygenated blood from the right ventricle to the lungs and return of oxygenated blood from the lungs to the left atrium.
  • The pulmonary trunk arises from the right ventricle and then bifurcates into the right pulmonary artery and left pulmonary artery 
  • Right pulmonary artery and left pulmonary artery supply deoxygenated blood to the right and left lungs respectively. Exchange of gases occurs in lungs
  • Similarly, two pulmonary veins from each lung transport oxygenated blood to the left atrium

So,

The pulmonary trunk arises from the right ventricle and then bifurcates into the right pulmonary artery and left pulmonary artery. Hence, the correct answer is option d.

Posted by

Ritika Jonwal

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