Which of the following structures of the tooth appears the most radiopaque?

a. Cementum
b. Enamel
c. Dentin
d. Pulp

b. The enamel is the most dense of all dental structures and the most resistant to the passage of x-rays, resulting in a radiopaque appearance.

Health Professions

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Resuscitation, when started during which phase of cardiac arrest, provides the patient with the best chance of survival?

A) Circulatory B) Metabolic C) Electrical D) Bradycardic

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Criminal laws are divided into two classifications: ____.

A. felonies and misdemeanors B. torts and misdemeanors C. felonies and civil offenses D. liabilities and misdemeanors

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