Which of the following group of three structures may cause apparent "constrictions" of the esophagus on an oblique chest radiograph after the patient has swallowed barium?

A) arch of the aorta, left main bronchus, diaphragm
B) arch of the azygos vein, left main bronchus, diaphragm
C) left brachiocephalic vein, arch of the azygos vein, diaphragm
D) arch of the aorta, left main bronchus, left main pulmonary vein
E) left brachiocephalic vein, arch of the aorta, left main pulmonary vein


Ans: A

Anatomy & Physiology

You might also like to view...

Why does untreated glaucoma cause blindness?

A. Intraocular pressure increases and the vitreous body presses against the lens. B. The lens darkens and accumulates debris. C. The vitreous body presses against the retina and disrupts its blood supply. D. Aqueous humor is not reabsorbed as quickly as it is produced. E. The choroid separates from the sclera.

Anatomy & Physiology

In order to process digested nutrients and detoxify chemical agents such as drugs and alcohol, the ________ contains abundant amounts of smooth ER.

A. stomach B. liver C. small intestine D. pancreas E. kidney

Anatomy & Physiology

Mary is 50 years old and has entered menopause. During a checkup, a bone scan reveals the beginnings of osteoporosis. Her physician suggests hormone therapy. What hormone might she prescribe for Mary?

A) thyroid hormone B) growth hormone C) estrogen D) parathyroid hormone E) calcitonin

Anatomy & Physiology

Silk is a nonabsorbable suture material

Indicate whether the statement is true or false

Anatomy & Physiology