Quiz 4 Practice Questions Flashcards
The following are the chambers of the early heart tube. Order the path the blood flows through them from the entrance of the blood to its exit.
- ventricle
- bulbus cordis
- sinus venosus
- atria
- truncus arteriosus
3, 4, 1, 2, 5
The chordae tendineae form from the:
sculpting of the trabeculae carneae
The __________ gives rise to the renal segment of the IVC.
a. Supracardinal vein
b. Right subcardinal vein
c. Left subcardinal vein
d. Both B and C
d. Both B and C
Dextrocardia:
a. Is the least frequent cardiac positional abnormality.
b. Created when heart loops to the right so heart bulges to the left.
c. Has severe consequences unless it is situs inversus totalis
d. Does not occur with mirroring of the great vessels.
c. Has severe consequences unless it is situs inversus totalis
The colon is fed by an artery which originated as a(n) ____________ artery.
vitelline artery
Each of the following is a persistent vitelline artery EXCEPT: – Choose the FALSE statement.
a. Common iliac a.
b. Celiac trunk
c. Superior mesenteric a.
d. Inferior mesenteric a.
a. Common iliac a.
A newborn displays cyanosis. Which of the following defects might the practitioner screen for next?
a. ASD
b. Tetrology of Fallot
c. Pulmonary agenesis
d. All of the above
d. All of the above
The blood islands form from mesenchyme from the:
a. Extraembryonic mesoderm
b. Lateral plate mesoderm
c. Intermediate mesoderm
d. Paraxial head mesoderm
a. Extraembryonic mesoderm
The right sinus horn of the sinus venosus creates:
a. the coronary sinus
b. the smooth part of the left atrium
c. the smooth part of the right atrium
d. the atrioventricular septum
c. the smooth part of the right atrium
If the bulbar and truncal ridges did not fuse, the embryo might have:
a. VSD
b. patent ductus arteriosus
c. patent foramen ovale
d. ASD
d. ASD
