Salmon Returning to Spawn in Their Native Stream Undertake a Journey

question 91

Multiple Choice

Salmon returning to spawn in their native stream undertake a journey that requires extreme endurance.An examination of the muscles used to perform this activity would reveal

• A) mostly smooth muscle fibers.
• B) a high number of gap junctions.
• C) mostly glycolytic fibers.
• D) many mitochondria per cell.
• E) pale color of the cells

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Definitions:

Drive Reduction Theory

A motivational theory proposing that the maintenance of homeostasis motivates behavior that reduces drives arising from physiological needs.

James-Lange Theory

A psychological theory suggesting that emotions result from people's interpretations of bodily reactions to external events.

Cannon-Bard Theory

The proposition that emotion and physiological reactions occur simultaneously.

Polygraph

An instrument that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin conductivity while the subject answers questions, used to infer truths or lies.