Match the Chemical Signal with the Appropriate Description

question 22

Multiple Choice

Match the chemical signal with the appropriate description.
-neuropeptide

• A)chemicals produced by neurons that function as hormones
• B)chemicals that act locally on nearby cells
• C)chemical secreted by presynaptic terminal
• D)influences same cell type from which it is secreted
• E)chemical secreted into blood by specialized cells; travels some distance to target tissues

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Definitions:

Critical Values

Threshold values on the scale of a test statistic beyond which the null hypothesis is rejected.

Variables

Any characteristics, number, or quantity that can be measured or counted.

Pearson Correlation

A measure of the linear correlation between two variables, ranging from -1 to 1, where 1 is total positive linear correlation, 0 is no linear correlation, and -1 is total negative linear correlation.

Critical Values

Thresholds in statistical testing that delineate areas where the test statistic leads to the rejection or acceptance of the null hypothesis.