Carlos Is Studying for His Psychology Exam

question 27

Multiple Choice

Carlos is studying for his psychology exam.He is finding it more and more difficult to focus because he is hungry.His hunger becomes so distracting that he leaves his studies and heads to the nearest sandwich shop.Which of the following best explains Carlos' behavior?

• A)drive-reduction theory
• B)arousal theory
• C)need for affiliation
• D)two-factor theory

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Definitions:

Appendicular Skeleton

The portion of the skeleton of vertebrates consisting of the bones that support the appendages (limbs), including the shoulder and pelvic girdles.

Vertebrae

The individual bones that make up the vertebral column (spine), providing structural support and protecting the spinal cord.

Actin Filaments

Actin filaments are thin, flexible fibers found in all eukaryotic cells, playing key roles in cell movement, shape, and structure by forming part of the cytoskeleton.

Myosin Filaments

Thick filaments within muscle cells that interact with actin filaments to cause muscle contraction through a sliding filament mechanism.