Which of the Following Is True of Galvanism

question 22

Multiple Choice

Which of the following is true of galvanism?

• A) It is an electrical current transmitted between two similar metals.
• B) It is observed in patients with composite resin but not silver amalgam restorations.
• C) Galvanic stimulation will decrease with time as oxides form on the surface of the metal.
• D) The salts of the saliva inhibit the movement of electrical current from one type of metal to another.

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Definitions:

Test Statistic

A quantity derived from sample data that is used in a hypothesis test to determine whether to reject the null hypothesis.

T Test

A statistical test used to compare the means of two groups and determine if the differences between them are statistically significant.

Research Hypothesis

A specific, testable prediction about what you expect to happen in your study, often regarding the relationship or effect of variables.

One-Tailed Test

A directional test, reflecting a directional hypothesis.