The greater the OID, the ____________ the image sharpness.

• greater
• lesser

What property is defined by chemicals having the ability to absorb x-rays and instantaneously emit light?

• intensity
• fluorescence
• phosphor density
• emission

What is the proportional difference between two adjacent densities?

• contrast
• gray scale
• fog
• recorded detail

What type of gray scale is illustrated here?

• long scale
• short scale

mAs is the major factor in controlling radiographic contrast

• true
• false

When dealing with film-screen the degree of blackening is referred to as _____________.

• gray scale
• exposure factors
• contrast
• density

A rare earth intensifying screen emits what color when exposed?

• blue-green
• blue-violet
• yellow-green

If the mA is decreased how will the brightness of the intensifying screen be affected?

• glows brighter
• glows less
• does not affect brightness

Computed radiography displays less shades of gray than film-screen. 

• true
• false

What is the primary objective of a Quality Assurance program?

• strong support system
• decrease liability
• enhance patient care