VBSC 421 Lab exam 5
Ductus arteriosus - ANS-Fetal vessel that shunts blood from the pulmonary artery to the
aorta reducing blood flow to the fetal lung
Ligamentum arteriosum - ANS-What does the ductus arteriosus become in the adult
animal?
Ductus venosus - ANS-Fetal vessel that shunts blood away from the fetal liver to the
posterior vena cava
Foramen ovale - ANS-Opening in the wall of the fetal right atrium that allows blood
entering the right atrium to pass directly to the left atrium
Placenta - ANS-Where does gas exchange take place in the fetal cat?
Fourth right arch - ANS-Which arch persists in birds to distribute blood to the systemic
circulation?
Fourth left arch - ANS-Which arch persists in mammals to distribute blood to the
systemic circulation?
Sixth aortic arch - ANS-Which arch persists as the pulmonary arteries?
Sixth aortic arch - ANS-The ductus arteriosus, a component of fetal circulation is
derived from which aortic arch?
Sinus venosus
Atrium
Ventricle
Conus arteriosus
Ventral aorta
Afferent branchial arteries
Gills
Efferent branchial arteries - ANS-Beginning with the sinus venosus, list the path
followed by blood through the heart and gills of the shark
Coronary sinus - ANS-Venous blood returns from the heart muscle to the right atrium
through this channel
Ductus arteriosus - ANS-Fetal vessel that shunts blood from the pulmonary artery to the
aorta reducing blood flow to the fetal lung
Ligamentum arteriosum - ANS-What does the ductus arteriosus become in the adult
animal?
Ductus venosus - ANS-Fetal vessel that shunts blood away from the fetal liver to the
posterior vena cava
Foramen ovale - ANS-Opening in the wall of the fetal right atrium that allows blood
entering the right atrium to pass directly to the left atrium
Placenta - ANS-Where does gas exchange take place in the fetal cat?
Fourth right arch - ANS-Which arch persists in birds to distribute blood to the systemic
circulation?
Fourth left arch - ANS-Which arch persists in mammals to distribute blood to the
systemic circulation?
Sixth aortic arch - ANS-Which arch persists as the pulmonary arteries?
Sixth aortic arch - ANS-The ductus arteriosus, a component of fetal circulation is
derived from which aortic arch?
Sinus venosus
Atrium
Ventricle
Conus arteriosus
Ventral aorta
Afferent branchial arteries
Gills
Efferent branchial arteries - ANS-Beginning with the sinus venosus, list the path
followed by blood through the heart and gills of the shark
Coronary sinus - ANS-Venous blood returns from the heart muscle to the right atrium
through this channel
