You Conduct an Experiment in Which You Expose a Rat

question 62

Multiple Choice

You conduct an experiment in which you expose a rat repeatedly to a 440 Hz tone and an electric shock. After a few trials, the rat begins to show signs of fear in response to the tone. In this paradigm, the electric shock is the ________, while the tone is the ________.

• A)conditioned stimulus; unconditioned stimulus
• B)unconditioned stimulus; conditioned stimulus
• C)conditioned response; unconditioned response
• D)unconditioned response; conditioned response

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Definitions:

Hypolimnion

The colder, denser, bottom layer of water in a stratified lake, lying below the thermocline and not mixing with the warmer, upper layers.

Eutrophic Lake

A body of water characterized by high levels of nutrients leading to an abundance of plant life and depletion of oxygen, which can be detrimental to other organisms.

Oligotrophic Lake

A lake characterized by low nutrient concentrations, which typically supports little aquatic plant life.

Invertebrates

Animals that lack a vertebral column, including species such as insects, crustaceans, and mollusks.