A Film-Screen Image with Lower Contrast May Be Due To

question 7

Multiple Choice

A film-screen image with lower contrast may be due to:
1) Increased patient thickness
2) Increased beam restriction
3) Increased kVp

• A) 1 and 2 only.
• B) 1 and 3 only.
• C) 2 and 3 only.
• D) 1, 2, and 3.

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Definitions:

Diseconomies of Scale

The phenomenon where, as a firm expands, its costs start increasing per unit of output, usually due to inefficiencies and management challenges that arise with size.

Diminishing Returns

A principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase and may decrease.

Natural Monopoly

A market structure where a single provider is more efficient in supplying the entire market with a product or service, due to high fixed or startup costs.