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The azygos and hemizygos are a continuation of the right and left ____________________.

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ascending ...

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The right lung has two lobes, and the left lung has three lobes.

A) True
B) False

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In the heart, the interatrial and interventricular septa


A) prevent blood exchange between the atria and ventricles.
B) allow blood to flow in only one direction between the atria and ventricles.
C) act as the pacemaker of the heart.
D) are the gatekeepers for the pulmonary and systemic circulatory systems.

E) A) and D)
F) B) and D)

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The vessel associated with the right ventricle is the pulmonary trunk.

A) True
B) False

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The aortic arch sweeps from right to left in a posterior direction.

A) True
B) False

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Which ribs are true ribs?


A) 1-7
B) 8-12
C) 11-12
D) None of the above

E) B) and C)
F) A) and D)

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The systemic circulatory system


A) begins at the left ventricle.
B) is responsible for distributing blood to the entire body.
C) ends at the right atrium.
D) All of the above

E) C) and D)
F) None of the above

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The most inferior part of the sternum is the


A) xiphoid process.
B) ensiform process.
C) Both a and b
D) Neither a nor b

E) C) and D)
F) A) and B)

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Which chamber of the heart forms the apex?


A) right atrium
B) right ventricle
C) left atrium
D) left ventricle

E) B) and C)
F) A) and C)

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The aortic sinus


A) is the first branch off the ascending aorta.
B) gives rise to the right and left coronary arteries.
C) contains oxygenated blood.
D) All of the above

E) All of the above
F) A) and B)

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The thymus is located posterior to the ____________________ of the sternum.

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The mitral valve is situated between the left atrium and left ventricle.

A) True
B) False

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The coronary sinus drains into the right atrium via the thebesian valve.

A) True
B) False

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The vessel(s) associated with the left atrium is/are the


A) pulmonary trunk.
B) SVC, IVC.
C) aorta.
D) pulmonary veins.

E) B) and C)
F) B) and D)

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The vessel(s) associated with the left ventricle is/are the


A) pulmonary trunk.
B) SVC, IVC.
C) aorta.
D) pulmonary veins.

E) None of the above
F) B) and D)

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The vessel(s) associated with the left ventricle is/are the ____________________.

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Which is not seen on axial images below the level of the right atrium?


A) IVC
B) esophagus
C) descending aorta
D) SVC

E) B) and C)
F) All of the above

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Match each statement with the correct term. a.an indentation along the superior aspect of the manubrium of the sternum b.the endocrine organ located behind the manubrium of the sternum c.the body of the sternum d.the valve controlling the blood flow from the coronary sinus into the right atrium of the heart e.the double-layered covering encasing the lungs f.a concave indentation in a structure through which vessels, nerves, or other structures enter or exit g.the ridge separating the right and left primary bronchi at the distal end of the trachea h.the venous channel draining the deoxygenated blood from the heart into the right atrium of the heart i.crescent- or half-moon-shaped valve j.an opening in the interatrial septum of the heart in the fetus -jugular notch

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The pumping chambers of the heart are the ____________________.

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An alternative term for the visceral layer of the serous pericardium is ____________________.

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