Multiple choice

In human beings, the pulmonary artery originates from which of the following structures?

  1. Conus arteriosus

  2. Fossa ovalis

  3. Limbus of the fossa ovalis

  4. Crista terminalis

  5. Septomarginal trabecula

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A Correct answer
Explanation

It is a conical extension of the right ventricle in the heart of mammals, from which the pulmonary artery originates.