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CCRN Critical Care Nursing

Category - Pediatrics

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What would cause the closure of the Foramen ovale after the baby had been delivered?

Decreased blood flow
Shifting of pressures from right side to the left side of the heart
Increased in oxygen saturation
Increased PO2

Explanation

Answer: B - During feto-placental circulation, the pressure in the heart is much higher in the right side, but once breathing/crying is established, the pressure will shift from the R to the L side, and will facilitate the closure of Foramen Ovale.

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