The Range of Motion as Well as the Direction of Motion

question 54

Multiple Choice

The range of motion as well as the direction of motion for the various regions of the spine differs.For example the lumbar spine is capable of flexion and extension but little rotational movement.While the thoracic spine rotates with little flexion or extension.This is due to variation in ________.

• A) the orientation of the superior and inferior articular facets
• B) the composition of the intervertebral disks
• C) the arrangement of muscular attachment to the spinous processes
• D) the thickness of the intervertebral disc

---

Definitions:

Marginal Revenue

The increased income derived from selling an additional unit of a product or service.

Pure Monopolist

A single seller in a market with no close substitutes for the product or service, having complete control over its price.

Monopoly Output

The quantity of goods or services produced by a monopoly firm, which is determined by the intersection of the marginal cost and marginal revenue curves.

Profit-Maximizing

The process or strategy of adjusting production levels, pricing, or other operational factors to achieve the highest possible profit.