Refer to the Graphs Showing the Results of an Experiment

question 179

Multiple Choice

Refer to the graphs showing the results of an experiment in which researchers heated and cooled the hypothalamus of a mammal and determined its metabolic rates at different environmental (ambient) temperatures. Based on the figure, which statement is true?

• A) When the hypothalamus was cooled, body temperature fell.
• B) When the hypothalamus was cooled, metabolic rate increased.
• C) The metabolic rate was higher when the hypothalamus was warmed to 40°C.
• D) The hypothalamic set point was increased when the hypothalamus was warmed to 40°C.
• E) When the hypothalamus was warmed, body temperature increased.

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Definitions:

Sensory Neurons

Nerve cells that transmit sensory information (sight, sound, feeling, etc.) from the periphery to the central nervous system.

Structuralists

Scholars who analyze the basic elements of consciousness and how these elements combine to form the whole of human experience.

Observable Behavior

Actions or responses that can be seen and measured directly, as opposed to internal thoughts or feelings.

Expanded Dramatically

The term "expanded dramatically" refers to a significant increase or growth in size, scope, or extent over a period of time.