Rigor Mortis Occurs Because ________

question 1

Multiple Choice

Rigor mortis occurs because ________.

• A) no ATP is available to release attached actin and myosin molecules
• B) proteins are beginning to break down, thus preventing a flow of calcium ions
• C) the cells are dead
• D) sodium ions leak into the muscle causing continued contractions

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Definitions:

Innate Reaction

A natural, automatic response to a stimulus that is inherent and not learned, often seen in instinctual behaviors.

Universally Recognized

Acknowledged or accepted by all as true, valid, or obligatory without exception across different cultures and societies.

Facial Expressions

The movements of the facial muscles that convey emotions, intentions, and moods to others.

Cannon-Bard Theory

A theory of emotion that argues that physiological arousal and emotional experience occur simultaneously and independently.