DAA Final Questions and Verified

DAA Final Questions and Verified Answers, 100% Guarantee Pass (Latest 2025) Which of the following is defined as the first heart sound?

• opening of the semilunar valves
• closing of the semilunar valves
• closing of the AV valves
• opening of the AV valves - Correct Answers ✅C. closing

of the AV valves The pulmonary arteries carry which of the following?

• deoxygenated blood
• oxygenated blood - Correct Answers ✅A. deoxygenated

blood Which of the following is an equivalent term for epicardium?

• myocardium
• visceral pericardium
• endocardium
• parietal pericardium - Correct Answers ✅B. visceral

pericardium Which region of the primitive heart tube corresponds with the term "arterial poles"?

• bulbus cordis
• truncus arteriosus 1 / 3

DAA Final Questions and Verified Answers, 100% Guarantee Pass (Latest 2025)

• sinus venosus
• aortic roots - Correct Answers ✅D. aortic roots

As the primitive heart tube continues to elongate and begins to loop, the primitive ventricle moves in which of the following directions?

• ventrally, caudally, and to the right (forward, down, and

right)

• dorsally, cranially, and to the left (backwards, up, and left)
• Correct Answers ✅B. dorsally, cranially, and to the left

(backwards, up, and left) Which of the following blood vessels are a major derivative of the 3rd aortic embryonic arch?

• common and internal carotid arteries
• ductus arteriosus and proximal portion of the pulmonary

arteries

• right subclavian artery and part of the aortic arch
• maxillary arteries - Correct Answers ✅A. common and

internal carotid arteries

T/F: The foramen ovale becomes functionally fused after birth

due to the increase in pressure in the left side of the heart. - Correct Answers ✅True 2 / 3

DAA Final Questions and Verified Answers, 100% Guarantee Pass (Latest 2025) After birth, under normal conditons the foramen ovale will obliterate (close) and become the ________ ovalis. - Correct Answers ✅fossa Which of the following choices best describes the ductus arteriosus?

• a left to right shunting of blood
• a right to left shunt from the pulmonary trunk to the

pulmonary veins

• a connection between the pulmonary artery and the aorta
• a connection between the right and left ventricles -

Correct Answers ✅C. a connection between the pulmonary artery and the aorta Which of the following blood vessels are a major derivative of the 1st aortic embryonic arch?

• common and internal carotid arteries
• ductus arteriosus and proximal portion of the pulmonary

arteries

• right subclavian artery and part of the aortic arch
• maxillary arteries - Correct Answers ✅D. maxillary

arteries Which of the following identifies the first opening that is present before the septum primum completes fusion?

• / 3