Each alveolus is surrounded by a web of blood capillaries supplied by the ________

A) inferior vena cava
B) pulmonary artery
C) pulmonary vein
D) superior vena cava
E) aorta


B

Anatomy & Physiology

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The fetal shortcut from the right atrium to the left atrium is the

A. ductus arteriosus. B. foramen ovale. C. umbilical artery. D. ductus venosus. E. umbilical vein.

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Which of the following is not part of the thoracic wall?

A. Ribs B. Thoracic vertebrae C. Sternum D. Diaphragm

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The white communicating ramus carries which of the following?

A. Sympathetic postganglionic fibers to the effector organs B. Sympathetic preganglionic fibers to a sympathetic chain ganglion C. Parasympathetic preganglionic fibers from the dorsal root to a spinal nerve D. Sympathetic preganglionic fibers to a spinal nerve E. Sympathetic postganglionic fibers to a spinal nerve

Anatomy & Physiology