Closure of the Foramen ovale occur after birth because of ….

Closure of the Foramen ovale occur after birth because of …. mcq given below:

Q. Closure of the Foramen ovale occur after birth because of ….

(a) Decreased blood flow across foramen ovale
(b) Shifting of pressures from right side to the left side of the heart
(c) Increased oxygen tension in the blood
(d) Placental circulation close

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Ans:(b) Shifting of pressures from right side to the left side of the heart

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