1. Infant circulation: Answer The umbilical cord is clamped and the oxygen supply is cut offand the baby initiatesthe first breath.Then the lungs expand and causes decreasedright sided pressure and increased left sided so the blood goes to the right side of the lungs.The FO closes within an hour and the DA closes within 1-2 days. 2. Where is the heart position in an infant: Answer The heart position is more horizontal and the apex is in the left intercostal space, systolic murmurs are common and areusually 1-2 grade 3. What happens to BP in pregnancy: Answer BP starts to drop at 7 weeks, in the secondtrimester we have decreased BP most pronounces at 20 weeks 4. When does blood volume peak in pregnancy and what does this cause: Answer it peaks in the third trimester and the baby can be impeding blood return causing lower extremity edema, varicose veins, venous congestion in the vulva and rectumand hemorrhoids 5. In what position is BP lowest during pregnancy: Answer left lateral recumbent 6. What happens to blood vessels and peripheral vascular resistance during pregnancy: Answer The blood vessels dilates and PVR is decreased to help with increasedblood volume 7. What additional heart sound is common in children and what does it soundlike: