Facebook Is a Social Networking Web Site That Is Used

question 26

Multiple Choice

Facebook is a social networking Web site that is used by a growing number of individuals. Because of its popularity, it is now more difficult for new networking websites to enter and compete with Facebook. Facebook enjoys ________ as a barrier for others to enter the market.

• A) a network externality
• B) price discrimination
• C) a negative externality
• D) economies of scale

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Definitions:

Hydromorphone

A potent opioid analgesic medication used to treat moderate to severe pain by acting on the central nervous system.

Spinal Cord Injury

Damage to the spinal cord that results in a loss of function such as mobility or sensation below the site of the injury.

Nursing Diagnosis

A professional evaluation concerning the experiences or responses of a person, family, or community to existing or potential health challenges or life situations.

Protective Reflexes

Bodily mechanisms triggered to shield organs from sudden or dangerous stimuli.