Both the ductus venosus and ductus arteriosus are adaptations of the fetal circulatory system designed to shunt blood away from the nonfunctioning lungs.
a. true
b. false

FALSE

Explanation:

The circulatory system of a fetus consists of three shunts that are responsible for diverting the blood away from the partially functioning and undeveloped organs. The three shunts are ductus venosus, ductus arteriosus and foramen ovale.

The ductus arteriosus shunts the blood from pulmonary artery directly to aorta and bypasses the non-functioning lungs.

Whereas, the ductus venosus shunts the blood from the umbilical vein directly to inferior vena cava and bypasses the non-functioning liver.

explanation:

for example, code 28039 - excision, tumor, soft tissue of foot or toe, subcutaneous, 1.5 cm or greater, appears before 28043 - excision, tumor, soft tissue of foot or toe, subcutaneous; less than 1.5 cm.