Circulation Pathways Q & As (Verified
Answers) 2026
Which chamber of the heart pumps oxygenated blood into
the ascending aorta? - Correct Answers ✅right ventricle
Which vessel supplies branches to supply the abdominal wall
and organs? - Correct Answers ✅Descending abdominal
aorta
Which of the following vessels are the three main arterial
branches emerging from the aortic arch? - Correct Answers
✅Left common carotid artery
Brachiocephalic trunk
Left subclavian artery
What two arteries do the brachiocephalic artery branch into?
- Correct Answers ✅The brachiocephalic a. branches into
the right subclavian and right common carotid.
Which artery supplies blood to the lower limb? - Correct
Answers ✅external iliac artery
The veins that drain the head, neck, and upper limbs merge
to form the left and right _______________________________veins.
- Correct Answers ✅brachocephalic
, CSCC BIO 2300 Unit 4 Concept D:
Circulation Pathways Q & As (Verified
Answers) 2026
Which vessels emerge immediately from the wall of the
ascending aorta to supply the heart? - Correct Answers
✅Left and right coronary arteries
Which chamber of the heart receives blood from the inferior
vena cava? - Correct Answers ✅right atrium
Which vessel extends several branches to supply the thoracic
wall? - Correct Answers ✅Descending thoracic aorta
Which artery emerges from the subclavian artery to supply
the mammary gland and anterior thoracic wall? - Correct
Answers ✅Internal thoracic artery
Which artery (a main arterial branch) emerges from the aortic
arch and then bifurcates into the right common carotid artery
and right subclavian artery? - Correct Answers
✅brachiocephalic trunk
The descending abdominal aorta bifurcates into the ______. -
Correct Answers ✅left and right common iliac arteries
The first and second posterior intercostal veins merge with
the supreme intercostal vein and drain into the ______. -
Correct Answers ✅brachiocephalic vein