Sympathetic Preganglionic Neurons

question 36

Multiple Choice

Sympathetic preganglionic neurons

• A)originate in the brainstem and sacral region of the spinal cord.
• B)originate in the cerebrum of the brain.
• C)originate in the thoracic and lumbar region of the spinal cord.
• D)tend to be relatively long.
• E)synapse in the terminal ganglion.

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Definitions:

Interaction Effect

Occurs when the effect of one independent variable on the dependent variable differs depending on the levels or values of another independent variable.

F-Ratio

The ratio used in analysis of variance (ANOVA) to compare the variance between groups to the variance within groups.

Main Effect

The main effect is the impact of an independent variable on a dependent variable in a statistical model, ignoring other variables' influences.

Factor A

Factor A is often used in experimental design to represent one of the independent variables being tested for its effect on a dependent variable.