Question 1
What is the most common cause of a miscarriage?
◦ cervical incompetence
◦ genetic disorders of the embryo or fetus
◦ infections
◦ trauma
◦ malnutrition of the mother
Question 2
What is the name given to the opening that allows blood to flow from the right atrium directly into the left atrium of the fetal heart?
◦ ductus arteriosus
◦ foramen ovale
◦ vernix caseosa
◦ ductus venosus
◦ lanugo