题目内容

Purkinje fibers are most obvious in histologic sections of which of the following?

Atrioventricular (AV) node
B. Epicardium of the ventricles
C. Interventricular septum
D. Myocardium of atria
E. Sinoatrial (SA) node

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A blood vessel 2 mm in diameter that on histologic examination, is seen to have a distinct internal elastic lamina and a prominent tunica media is most likely which one of the following?

A. Elastic artery
B. Muscular artery
C. Arteriole
D. Pericytic venule
E. Small vein

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A. 实用性
B. 高阶性
C. 创新性
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A. 理解
B. 阅读
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A. 创新
B. 综合
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