Which prenatal structure forms the ascending aorta and pulmonary trunk?
A) Truncus arteriosus
B) Sinus venosus
C) Primitive atrium
D) Primitive ventricle
E) Conus cordis
Correct Answer:
Verified
Q53: Sympathetic innervation of the heart
A: increases
Q54: Which does not drain into the coronary
Q55: In an EKG,the P wave is generated
Q56: During ventricular systole
A) only the AV valves
Q57: What part of the cardiac conduction system
Q60: Sympathetic innervation of the heart arises from
Q61: No matter the cause,hypertrophy of the heart
Q62: The embryonic heart actually begins working before
Q63: Like the right atrium,the left atrium has
Q69: During ventricular diastole _.
A) only the AV
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