The Dental Papilla Is Derived from the Ectoderm

question 23

Multiple Choice

The dental papilla is derived from the ectoderm.It determines the shape of the developing crown.

• A) Both statements are true.
• B) The first statement is true;the second statement is false.
• C) The first statement is false;the second statement is true.
• D) Both statements are false.

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Definitions:

Standard Normal Random Variable

A variable that follows a normal distribution with a mean of 0 and a standard deviation of 1.

Area

In mathematics, Area refers to the measure of the extent of a two-dimensional surface or shape, expressed in square units.

z

A standard score indicating how many standard deviations an element is from the mean in a normal distribution.

Standard Normal Random Variable

A random variable that is normally distributed with a mean of 0 and a standard deviation of 1.