BIOL 1410 FINAL SCRIPT 2026 COMPLETE
QUESTIONS AND ANSWERS PASSED A+
◉ In fetal circulation,
a) most of the mixed blood bypasses the lungs by flowing through
the ductus venosus.
b) the blood in the left atrium is under higher pressure than in the
right atrium.
c) the umbilical vein transports oxygenated blood toward the fetal
heart.
d) a systemic circulation identical to an adult's is present.
e) fully oxygenated blood flows within the aorta.
Answer: C
◉ Which of the following is a direct pathway for blood flow within
the pulmonary circulation?
a) Right atrium→right ventricle→vena cava.
b) Lung→pulmonary artery→left atrium.
c) Pulmonary artery→lung→pulmonary vein.
d) Pulmonary vein→left atrium→left ventricle.
e) Pulmonary artery→coronary sinus→lung.
Answer: C
, ◉ Which of the following statements is correct?
a) The bicuspid and aortic semilunar valves are on the same side of
the heart as the ventricle which pumps blood into the pulmonary
trunk.
b) Blood flows from the vena cavae into the left atrium of the heart.
c) Blood within the left coronary artery flows directly into the
coronary sinus.
d) The endocardium of the heart is a layer that includes epithelial
tissue.
e) Cardiac and skeletal muscle cells both have intercalated discs.
Answer: D
◉ In the heart, the circumflex artery is
a) part of the systemic circulatory route.
b) a branch of the right coronary artery.
c) located on the posterior surface within the interventricular
sulcus.
d) an elastic artery which lacks a tunica media.
e) described by none of the above.
Answer: A
◉ In the heart, papillary muscles are
QUESTIONS AND ANSWERS PASSED A+
◉ In fetal circulation,
a) most of the mixed blood bypasses the lungs by flowing through
the ductus venosus.
b) the blood in the left atrium is under higher pressure than in the
right atrium.
c) the umbilical vein transports oxygenated blood toward the fetal
heart.
d) a systemic circulation identical to an adult's is present.
e) fully oxygenated blood flows within the aorta.
Answer: C
◉ Which of the following is a direct pathway for blood flow within
the pulmonary circulation?
a) Right atrium→right ventricle→vena cava.
b) Lung→pulmonary artery→left atrium.
c) Pulmonary artery→lung→pulmonary vein.
d) Pulmonary vein→left atrium→left ventricle.
e) Pulmonary artery→coronary sinus→lung.
Answer: C
, ◉ Which of the following statements is correct?
a) The bicuspid and aortic semilunar valves are on the same side of
the heart as the ventricle which pumps blood into the pulmonary
trunk.
b) Blood flows from the vena cavae into the left atrium of the heart.
c) Blood within the left coronary artery flows directly into the
coronary sinus.
d) The endocardium of the heart is a layer that includes epithelial
tissue.
e) Cardiac and skeletal muscle cells both have intercalated discs.
Answer: D
◉ In the heart, the circumflex artery is
a) part of the systemic circulatory route.
b) a branch of the right coronary artery.
c) located on the posterior surface within the interventricular
sulcus.
d) an elastic artery which lacks a tunica media.
e) described by none of the above.
Answer: A
◉ In the heart, papillary muscles are
