Multiple choice

All of the following are changes that occur to the fetal circulation within minutes of birth except

  1. the fetal heart shunts become closed

  2. constriction of the hepatic portal sinus

  3. the gas exchange occurs in the new born lungs

  4. constriction of the ductus venosus

  5. closure of the foramen ovale
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The hepatic portal sinus does not close.

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