-According to Figure 16-4 Above,the Correct Rank Order of Social

question 25

Multiple Choice

-According to Figure 16-4 above,the correct rank order of social media sites from least to most popular as measured by the number of unique U.S.visitors as of May 2012 is

• A)LinkedIn,Twitter,YouTube,and Facebook.
• B)Facebook,LinkedIn,YouTube,and Twitter.
• C)YouTube,LinkedIn,Twitter,and Facebook.
• D)Facebook,Vimeo,YouTube,and Twitter.
• E)Twitter,Facebook,YouTube,and LinkedIn.

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Definitions:

Local Potential

A reversible, localized change in the electrical potential of a neuron's membrane, which can lead to an action potential if a certain threshold is reached.

Depolarization

A reduction in the difference in electric charge across a cell membrane, which is essential for generating action potentials in neurons and muscle cells.

Repolarization

The process of restoring the negative charge inside the cell membrane after a depolarization event.

Afterpotential

The change in membrane potential that follows the completion of an action potential in nerve cells.