Rigor Mortis Is Caused By

question 41

Multiple Choice

Rigor mortis is caused by:

• A) buildup of lactic acid.
• B) lack of Ca²⁺.
• C) depletion of glycogen.
• D) lack of ATP.
• E) deficient acetylcholine receptors.

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Definitions:

Thoracic Vertebrae

The segment of the vertebral column located in the torso, between the cervical vertebrae and lumbar vertebrae.

Facets

Smooth, flat surfaces that form joints between the vertebrae in the spine, allowing for flexibility and movement.

Transverse Foramina

Small openings in the transverse processes of the cervical vertebrae allowing passage of the vertebral artery.

Transverse Processes

Lateral projections from the vertebrae to which muscles and ligaments attach, and serve as points of articulation for ribs in thoracic vertebrae.