MATCHING -Periodontal Ligaments

question 10

Multiple Choice

MATCHING

-Periodontal ligaments

• A)Visible portion of the tooth
• B)Portion of the tooth embedded in the sockets of the mandible and maxilla
• C)Small region in which the crown and root meet
• D)Central core of the tooth
• E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
• F)The pulp cavity that is located in the root of the tooth
• G)Opening in the root for nerves and blood vessels
• H)Surrounds pulp cavity and forms the bulk of the tooth
• I)Connective tissue that surrounds the dentin in the root
• J)Firmly anchors the root in the socket
• K)Surrounds the dentin in the crown of the tooth

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Definitions:

External Costs

Costs of a transaction or activity that affect parties who did not choose to incur that cost, often not reflected in the market price.

Social Cost

The total cost to society as a whole, including both private costs incurred by firms or individuals and external costs imposed on others.

Free Riders

A person who receives the benefit of a good without paying for it. Because it is often virtually impossible to restrict the consumption of public goods to those who pay, these goods are subject to free-rider problems.

Public Good

A commodity or service that is provided without profit to all members of a society, either by the government or a private individual or organization.