Practice question

MCQ

Question

Which of the following best describes fetal circulation during pregnancy?

Options

Choose one · Correct answer highlighted

Fetal blood oxygenation occurs entirely in the lungs The placenta is the primary organ for gas exchange Correct The ductus arteriosus directs oxygenated blood away from the heart The foramen ovale is a permanent structure in the fetal heart

Explanation

In fetal circulation, the placenta serves as the main organ for oxygenation and gas exchange since the lungs are non-functional. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

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