The Various Powered Scalers Are Equal in Their Abilities to Remove

question 9

Multiple Choice

The various powered scalers are equal in their abilities to remove plaque biofilm and calculus.They all operate effectively at the same frequency.

• A) Both statements are TRUE.
• B) Both statements are FALSE.
• C) The first statement is TRUE, and the second statement is FALSE.
• D) The first statement is FALSE, and the second statement is TRUE.

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Definitions:

Consumer Surplus

The divergence between the total sum consumers are inclined and able to disburse for a merchandise or service, and the total sum they actually disburse.

Negative Externality

A cost that affects a party who did not choose to incur that cost, often associated with production or consumption activities.

Opportunity Cost

The cost of foregoing the next best alternative when making a decision, representing the benefits that could have been received if a different decision were made.

External Cost

An external cost, or negative externality, refers to a cost that a transaction or activity imposes on parties who are not involved in the transaction, such as pollution affecting non-participants.