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By ________ of gestation, the fetal heart is fully functional, complete with all the chambers, valves, and major vessels.

List the five stages of fetal lung development.

Fetal transition to extrauterine life physiologic changes include increased PaO2, decreased pulmonary vascular resistance, increased systemic vascular resistance, and closure of the foramen ovale and ductus arteriosus.

Chose the correct answer. They are thin.

Chose the correct answer. You are intelligent

What gestational age does the Saccular stage take place?

Before birth, the lungs must provide the mechanisms for gas exchange between the external environment and the blood.

Fetal lung liquid prevents alveolar collapse in utero.

During the first breath, pulmonary vascular resistance is reduced, pressures in the _________ side of the heart _________, and the pressures in the _________ side is _________.

Which of the following is considered a pulmonary sign of respiratory distress in a child?