The advantages of beam restriction include             1. Less scattered radiation is produced.             2. Less biologic material is irradiated.             3. Less total filtration will be necessary.

Patient dose from diagnostic x rays is most often reported in ______________.

An examination requisition states that the next patient is blind. When providing instructions for a chest radiograph,

A radiograph that demonstrates appropriate exposure in the middle of the image but shows severe cutoff on each side of the image represents a(n) ________ error. 

Which of the following types of adult tissue is (are) relatively  insensitive to effects of ionizing radiation?      1.Epithelial tissue     2. Nerve tissue     3. Muscle tissue

An acceptable image is produced using 72 kVp, 5 mAs, no grid, and 40-inch SID. If the image is repeated using a 12:1 grid, ________ mAs would be needed to maintain receptor exposure.

Which of the following is (are) demonstrated in the AP projection of the thoracic spine? 1.      Intervertebral spaces 2.      Zygapophyseal joints 3.      Intervertebral foramina

Thermoluminescent dosimetry systems use which of the following crystals?

Which of the following is/are considered low- LET radiation(s) ? 1. X rays 2. Alpha particles 3. Gamma rays

A tangential postion is required to demonstrate :                   1. zygoma                   2.  nasal bones                   3. patella