rad 100 test 2 part 1

The atomic number of bone is approximately [___]

• 14

• 30

The thicker the body part the [_______] the radiation absorption

• greater

• lesser

The use of radiographic grids improves image contrast

• true

• false

The radiographic grid is located between the patient and the image receptor

• true

• false

To improve image resolution the anatomical part should be placed as close to the image receptor as possible

• true

• false

Magnification can be reduced by decreasing the distance (SID) between the x-ray tube and image receptor.

• true

• false

Tissue density is determined by the atomic number of the elements making up the tissue

• true

• false

The milliamperage determines the [__________] of x rays produced per unit time.

• amount

• total

The atomic number of soft tissue is approximately [____]

• 7.5

• 10

The contrast that is inherent in the anatomical part that is being radiograph is termed [__________] contrast

• subject

• high