Postdoctoral Fellow Angel Injects a Rat with an Opioid

question 36

Multiple Choice

Postdoctoral fellow Angel injects a rat with an opioid. What effect will this have on dopamine release in the nucleus accumbens?

• A) This will have no effect.
• B) This will decrease the release.
• C) This will increase the release.
• D) This will decrease or increase release depending on the types of dopamine receptors present.

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Definitions:

Positive Skewness

A distribution characteristic where the right tail (higher values) is longer than the left tail, indicating that the mass of the distribution is concentrated on the left.

Normally Distributed

This describes a probability distribution that is evenly balanced around the mean, with data near the mean appearing more frequently than data at a distance from the mean.

Linear Regression

A statistical method used to model the relationship between a dependent variable and one or more independent variables, assuming a linear relationship.

Independent Variables

Variables that are manipulated or changed in an experiment to test their effects on dependent variables.