MCQ
ON CARDIOVASCULAR EMBRYOLOGY
,Which of the following statements concerning the
aorticopulmonary septum is INCORRECT?
A .The aorticopulmonary septum partitions the outflow channel of the ventricles into the aorta and the
pulmonary trunk.
B .The aorticopulmonary septum is largely derived from neural crest cells
C.The aorticopulmonary septum contributes to the formation of the muscular interventricular septum
D.The aorticopulmonary septum contributes to the formation of the membranous interventricular septum
E.The aorticopulmonary septum undergoes a 180o spiralABC.C.C
A newborn infant presents with cyanotic heart disease and fails to
thrive. On examination of the heart, it was revealed that the aorta arose
from the right ventricle and the pulmonary trunk arose from the left
ventricle. What is the name given to this type of cardiac malformation?
A.Persistent truncus arteriosus
B.Transposition of the great vessels
C.Tetralogy of Fallot
D.Ventricular septal defect (VSD)
E.Atrial-septal defect (ASD)D
,Which mesodermal layer gives rise to the endocardial heart tubes?
A. Paraxial mesoderm
B. Somatic mesoderm
C. Intermediate mesoderm
Splanchnic me
D.Splanchnic mesoderm
Which heart chamber does the right horn of the sinus venosus
contribute to during development of the fetal heart?
A.Left atrium
B.Left ventricle
C.Right atrium
D.Right ventricle
E.Common ventricleE
, Which part of the primitive heart tube gives
rise to the pulmonary artery and the aorta?
A. Bulbus cordis
B.Primitive atrium
C. Primitive ventricle
D. Sinus venosus
EEE.Truncus arteriosus
E.Truncus arteriosus
The left sinus horn becomes the:
A.Coronary sinus
B.Inferior vena cava.
C.Oblique vein of the right atrium.
D.Main inflow of the right atrium
E.Left sinus horn, there is no change
ON CARDIOVASCULAR EMBRYOLOGY
,Which of the following statements concerning the
aorticopulmonary septum is INCORRECT?
A .The aorticopulmonary septum partitions the outflow channel of the ventricles into the aorta and the
pulmonary trunk.
B .The aorticopulmonary septum is largely derived from neural crest cells
C.The aorticopulmonary septum contributes to the formation of the muscular interventricular septum
D.The aorticopulmonary septum contributes to the formation of the membranous interventricular septum
E.The aorticopulmonary septum undergoes a 180o spiralABC.C.C
A newborn infant presents with cyanotic heart disease and fails to
thrive. On examination of the heart, it was revealed that the aorta arose
from the right ventricle and the pulmonary trunk arose from the left
ventricle. What is the name given to this type of cardiac malformation?
A.Persistent truncus arteriosus
B.Transposition of the great vessels
C.Tetralogy of Fallot
D.Ventricular septal defect (VSD)
E.Atrial-septal defect (ASD)D
,Which mesodermal layer gives rise to the endocardial heart tubes?
A. Paraxial mesoderm
B. Somatic mesoderm
C. Intermediate mesoderm
Splanchnic me
D.Splanchnic mesoderm
Which heart chamber does the right horn of the sinus venosus
contribute to during development of the fetal heart?
A.Left atrium
B.Left ventricle
C.Right atrium
D.Right ventricle
E.Common ventricleE
, Which part of the primitive heart tube gives
rise to the pulmonary artery and the aorta?
A. Bulbus cordis
B.Primitive atrium
C. Primitive ventricle
D. Sinus venosus
EEE.Truncus arteriosus
E.Truncus arteriosus
The left sinus horn becomes the:
A.Coronary sinus
B.Inferior vena cava.
C.Oblique vein of the right atrium.
D.Main inflow of the right atrium
E.Left sinus horn, there is no change
