A Radiograph of an AP Thoracic Spine Projection Reveals That

question 79

Multiple Choice

A radiograph of an AP thoracic spine projection reveals that the upper thoracic spine is overexposed.The lower vertebrae have acceptable density and contrast.Which one of the following modifications will improve the visibility of the upper thoracic spine?

• A)Place the upper spine under the cathode side of the tube.
• B)Use a compensating (wedge) filter.
• C)Increase the kV to decrease the contrast of the upper spine.
• D)Use a breathing technique.

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Definitions:

Fixed Cost

Expenses that do not change with the level of production or sales, such as rent, salaries, and insurance.

Marginal Costs

The increase in cost due to the production of one further unit of a product or service.

Total Cost Function

An equation that shows the overall cost incurred by a firm in the production process, including both fixed and variable costs, as a function of the quantity of output produced.

Fixed Cost

Business expenses that remain constant regardless of the level of production or sales, such as rent, salaries, and insurance premiums.